Home / 43,781,418-65,682,756.42-13,489,279.92

Finding the Fourth Proportional to 43,781,418, 65,682,756.42 and 13,489,279.92

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Solution

The fourth proportional to 43,781,418, 65,682,756.42 and 13,489,279.92 is: 20,237,194.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,781,418 : 65,682,756.42 = 13,489,279.92 : x
  2. Step 2: Convert to fraction form
    43,781,418/65,682,756.42 = 13,489,279.92/x
  3. Step 3: Cross multiply
    43,781,418x = 65,682,756.42 × 13,489,279.92
  4. Step 4: Simplify right side
    43,781,418x = 886,013,087,266,557.12
  5. Step 5: Solve for x
    x = 886,013,087,266,557.12/43,781,418
  6. Step 6: Final answer
    x = 20,237,194.86

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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.