Home / 31,847,778.38-47,771,792.12-9,690,141.66

Finding the Fourth Proportional to 31,847,778.38, 47,771,792.12 and 9,690,141.66

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Solution

The fourth proportional to 31,847,778.38, 47,771,792.12 and 9,690,141.66 is: 14,535,250.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,847,778.38 : 47,771,792.12 = 9,690,141.66 : x
  2. Step 2: Convert to fraction form
    31,847,778.38/47,771,792.12 = 9,690,141.66/x
  3. Step 3: Cross multiply
    31,847,778.38x = 47,771,792.12 × 9,690,141.66
  4. Step 4: Simplify right side
    31,847,778.38x = 462,915,433,019,097.12
  5. Step 5: Solve for x
    x = 462,915,433,019,097.12/31,847,778.38
  6. Step 6: Final answer
    x = 14,535,250.39

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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.