Home / 12,526,672.82-18,785,400.33-4,327,229.12

Finding the Fourth Proportional to 12,526,672.82, 18,785,400.33 and 4,327,229.12

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Solution

The fourth proportional to 12,526,672.82, 18,785,400.33 and 4,327,229.12 is: 6,489,251.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526,672.82 : 18,785,400.33 = 4,327,229.12 : x
  2. Step 2: Convert to fraction form
    12,526,672.82/18,785,400.33 = 4,327,229.12/x
  3. Step 3: Cross multiply
    12,526,672.82x = 18,785,400.33 × 4,327,229.12
  4. Step 4: Simplify right side
    12,526,672.82x = 81,288,731,338,833.61
  5. Step 5: Solve for x
    x = 81,288,731,338,833.61/12,526,672.82
  6. Step 6: Final answer
    x = 6,489,251.58

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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.