Home / 18,209,605.91-25,128,508.39-9,949,951.74

Finding the Fourth Proportional to 18,209,605.91, 25,128,508.39 and 9,949,951.74

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Solution

The fourth proportional to 18,209,605.91, 25,128,508.39 and 9,949,951.74 is: 13,730,524.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209,605.91 : 25,128,508.39 = 9,949,951.74 : x
  2. Step 2: Convert to fraction form
    18,209,605.91/25,128,508.39 = 9,949,951.74/x
  3. Step 3: Cross multiply
    18,209,605.91x = 25,128,508.39 × 9,949,951.74
  4. Step 4: Simplify right side
    18,209,605.91x = 250,027,445,744,006.59
  5. Step 5: Solve for x
    x = 250,027,445,744,006.59/18,209,605.91
  6. Step 6: Final answer
    x = 13,730,524.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.