Home / 20,335,802.22-30,508,866.50-9,413,865.90

Finding the Fourth Proportional to 20,335,802.22, 30,508,866.50 and 9,413,865.90

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Solution

The fourth proportional to 20,335,802.22, 30,508,866.50 and 9,413,865.90 is: 14,123,188.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,335,802.22 : 30,508,866.50 = 9,413,865.90 : x
  2. Step 2: Convert to fraction form
    20,335,802.22/30,508,866.50 = 9,413,865.90/x
  3. Step 3: Cross multiply
    20,335,802.22x = 30,508,866.50 × 9,413,865.90
  4. Step 4: Simplify right side
    20,335,802.22x = 287,206,377,992,002.38
  5. Step 5: Solve for x
    x = 287,206,377,992,002.38/20,335,802.22
  6. Step 6: Final answer
    x = 14,123,188.99

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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.