Home / 42,261,930.90-63,392,896.35-11,969,793.90

Finding the Fourth Proportional to 42,261,930.90, 63,392,896.35 and 11,969,793.90

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Solution

The fourth proportional to 42,261,930.90, 63,392,896.35 and 11,969,793.90 is: 17,954,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,261,930.90 : 63,392,896.35 = 11,969,793.90 : x
  2. Step 2: Convert to fraction form
    42,261,930.90/63,392,896.35 = 11,969,793.90/x
  3. Step 3: Cross multiply
    42,261,930.90x = 63,392,896.35 × 11,969,793.90
  4. Step 4: Simplify right side
    42,261,930.90x = 758,799,904,033,562.25
  5. Step 5: Solve for x
    x = 758,799,904,033,562.25/42,261,930.90
  6. Step 6: Final answer
    x = 17,954,690.85

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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.