Home / 42,646,035.22-63,969,000.99-13,892,123.86

Finding the Fourth Proportional to 42,646,035.22, 63,969,000.99 and 13,892,123.86

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Solution

The fourth proportional to 42,646,035.22, 63,969,000.99 and 13,892,123.86 is: 20,838,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,646,035.22 : 63,969,000.99 = 13,892,123.86 : x
  2. Step 2: Convert to fraction form
    42,646,035.22/63,969,000.99 = 13,892,123.86/x
  3. Step 3: Cross multiply
    42,646,035.22x = 63,969,000.99 × 13,892,123.86
  4. Step 4: Simplify right side
    42,646,035.22x = 888,665,284,953,542.62
  5. Step 5: Solve for x
    x = 888,665,284,953,542.62/42,646,035.22
  6. Step 6: Final answer
    x = 20,838,168.90

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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.