Home / 38,489,778.95-57,743,285.18-12,930,091.25

Finding the Fourth Proportional to 38,489,778.95, 57,743,285.18 and 12,930,091.25

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Solution

The fourth proportional to 38,489,778.95, 57,743,285.18 and 12,930,091.25 is: 19,398,031.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,489,778.95 : 57,743,285.18 = 12,930,091.25 : x
  2. Step 2: Convert to fraction form
    38,489,778.95/57,743,285.18 = 12,930,091.25/x
  3. Step 3: Cross multiply
    38,489,778.95x = 57,743,285.18 × 12,930,091.25
  4. Step 4: Simplify right side
    38,489,778.95x = 746,625,946,098,805.75
  5. Step 5: Solve for x
    x = 746,625,946,098,805.75/38,489,778.95
  6. Step 6: Final answer
    x = 19,398,031.54

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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.