Home / 40,942,838.12-61,393,721.24-13,639,531.86

Finding the Fourth Proportional to 40,942,838.12, 61,393,721.24 and 13,639,531.86

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Solution

The fourth proportional to 40,942,838.12, 61,393,721.24 and 13,639,531.86 is: 20,452,456.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,942,838.12 : 61,393,721.24 = 13,639,531.86 : x
  2. Step 2: Convert to fraction form
    40,942,838.12/61,393,721.24 = 13,639,531.86/x
  3. Step 3: Cross multiply
    40,942,838.12x = 61,393,721.24 × 13,639,531.86
  4. Step 4: Simplify right side
    40,942,838.12x = 837,381,616,856,938.75
  5. Step 5: Solve for x
    x = 837,381,616,856,938.75/40,942,838.12
  6. Step 6: Final answer
    x = 20,452,456.53

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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.