Formula to divide a total dollar amount into numerous cells

I am trying to figure out how I can use a total dollar amount in a cell and split that total of the cell into a group of cells on the same column.

example: divide the total dollar amount in cell: D19 and the split that amount total into cells : D-2 to D-17

up until now I’ve been doing it manually and inputting the amounts as in the picture. However, I was looking for more easier way of just splitting that amount through a formula of some sort, but don’t know how to