Home / 12,761,391.68-17,613,445.92-7,331,877.44

Finding the Fourth Proportional to 12,761,391.68, 17,613,445.92 and 7,331,877.44

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Solution

The fourth proportional to 12,761,391.68, 17,613,445.92 and 7,331,877.44 is: 10,119,556.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,761,391.68 : 17,613,445.92 = 7,331,877.44 : x
  2. Step 2: Convert to fraction form
    12,761,391.68/17,613,445.92 = 7,331,877.44/x
  3. Step 3: Cross multiply
    12,761,391.68x = 17,613,445.92 × 7,331,877.44
  4. Step 4: Simplify right side
    12,761,391.68x = 129,139,626,781,508.06
  5. Step 5: Solve for x
    x = 129,139,626,781,508.06/12,761,391.68
  6. Step 6: Final answer
    x = 10,119,556.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.