Home / 28,511,613.90-42,672,942.45-26,244,132.30

Finding the Fourth Proportional to 28,511,613.90, 42,672,942.45 and 26,244,132.30

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Solution

The fourth proportional to 28,511,613.90, 42,672,942.45 and 26,244,132.30 is: 39,279,233.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,511,613.90 : 42,672,942.45 = 26,244,132.30 : x
  2. Step 2: Convert to fraction form
    28,511,613.90/42,672,942.45 = 26,244,132.30/x
  3. Step 3: Cross multiply
    28,511,613.90x = 42,672,942.45 × 26,244,132.30
  4. Step 4: Simplify right side
    28,511,613.90x = 1,119,914,347,288,086.25
  5. Step 5: Solve for x
    x = 1,119,914,347,288,086.25/28,511,613.90
  6. Step 6: Final answer
    x = 39,279,233.76

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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.