Home / 31,539,843.18-47,317,755.42-9,681,330.63

Finding the Fourth Proportional to 31,539,843.18, 47,317,755.42 and 9,681,330.63

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Solution

The fourth proportional to 31,539,843.18, 47,317,755.42 and 9,681,330.63 is: 14,524,448.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,539,843.18 : 47,317,755.42 = 9,681,330.63 : x
  2. Step 2: Convert to fraction form
    31,539,843.18/47,317,755.42 = 9,681,330.63/x
  3. Step 3: Cross multiply
    31,539,843.18x = 47,317,755.42 × 9,681,330.63
  4. Step 4: Simplify right side
    31,539,843.18x = 458,098,834,890,494.56
  5. Step 5: Solve for x
    x = 458,098,834,890,494.56/31,539,843.18
  6. Step 6: Final answer
    x = 14,524,448.72

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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.