Home / 28,547,965.92-42,815,092.32-13,180,490.52

Finding the Fourth Proportional to 28,547,965.92, 42,815,092.32 and 13,180,490.52

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Solution

The fourth proportional to 28,547,965.92, 42,815,092.32 and 13,180,490.52 is: 19,767,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547,965.92 : 42,815,092.32 = 13,180,490.52 : x
  2. Step 2: Convert to fraction form
    28,547,965.92/42,815,092.32 = 13,180,490.52/x
  3. Step 3: Cross multiply
    28,547,965.92x = 42,815,092.32 × 13,180,490.52
  4. Step 4: Simplify right side
    28,547,965.92x = 564,323,918,436,684.75
  5. Step 5: Solve for x
    x = 564,323,918,436,684.75/28,547,965.92
  6. Step 6: Final answer
    x = 19,767,570.13

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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.