Home / 42,487,223.20-63,730,834.80-13,753,979.80

Finding the Fourth Proportional to 42,487,223.20, 63,730,834.80 and 13,753,979.80

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Solution

The fourth proportional to 42,487,223.20, 63,730,834.80 and 13,753,979.80 is: 20,630,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,487,223.20 : 63,730,834.80 = 13,753,979.80 : x
  2. Step 2: Convert to fraction form
    42,487,223.20/63,730,834.80 = 13,753,979.80/x
  3. Step 3: Cross multiply
    42,487,223.20x = 63,730,834.80 × 13,753,979.80
  4. Step 4: Simplify right side
    42,487,223.20x = 876,552,614,476,337
  5. Step 5: Solve for x
    x = 876,552,614,476,337/42,487,223.20
  6. Step 6: Final answer
    x = 20,630,969.70

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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.