Home / 31,337,454.62-47,008,341.66-13,123,310.78

Finding the Fourth Proportional to 31,337,454.62, 47,008,341.66 and 13,123,310.78

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Solution

The fourth proportional to 31,337,454.62, 47,008,341.66 and 13,123,310.78 is: 19,685,870.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,337,454.62 : 47,008,341.66 = 13,123,310.78 : x
  2. Step 2: Convert to fraction form
    31,337,454.62/47,008,341.66 = 13,123,310.78/x
  3. Step 3: Cross multiply
    31,337,454.62x = 47,008,341.66 × 13,123,310.78
  4. Step 4: Simplify right side
    31,337,454.62x = 616,905,077,023,334.38
  5. Step 5: Solve for x
    x = 616,905,077,023,334.38/31,337,454.62
  6. Step 6: Final answer
    x = 19,685,870.61

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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.