Home / 28,965,720.80-43,448,581.20-18,888,024.80

Finding the Fourth Proportional to 28,965,720.80, 43,448,581.20 and 18,888,024.80

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Solution

The fourth proportional to 28,965,720.80, 43,448,581.20 and 18,888,024.80 is: 28,332,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,965,720.80 : 43,448,581.20 = 18,888,024.80 : x
  2. Step 2: Convert to fraction form
    28,965,720.80/43,448,581.20 = 18,888,024.80/x
  3. Step 3: Cross multiply
    28,965,720.80x = 43,448,581.20 × 18,888,024.80
  4. Step 4: Simplify right side
    28,965,720.80x = 820,657,879,230,413.88
  5. Step 5: Solve for x
    x = 820,657,879,230,413.88/28,965,720.80
  6. Step 6: Final answer
    x = 28,332,037.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.