Home / 42,442,990.46-63,664,406.13-13,299,060.59

Finding the Fourth Proportional to 42,442,990.46, 63,664,406.13 and 13,299,060.59

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Solution

The fourth proportional to 42,442,990.46, 63,664,406.13 and 13,299,060.59 is: 19,948,565.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,442,990.46 : 63,664,406.13 = 13,299,060.59 : x
  2. Step 2: Convert to fraction form
    42,442,990.46/63,664,406.13 = 13,299,060.59/x
  3. Step 3: Cross multiply
    42,442,990.46x = 63,664,406.13 × 13,299,060.59
  4. Step 4: Simplify right side
    42,442,990.46x = 846,676,794,758,269.88
  5. Step 5: Solve for x
    x = 846,676,794,758,269.88/42,442,990.46
  6. Step 6: Final answer
    x = 19,948,565.96

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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.