Home / 38,489,774.42-57,743,278.43-12,930,086.72

Finding the Fourth Proportional to 38,489,774.42, 57,743,278.43 and 12,930,086.72

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Solution

The fourth proportional to 38,489,774.42, 57,743,278.43 and 12,930,086.72 is: 19,398,024.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,489,774.42 : 57,743,278.43 = 12,930,086.72 : x
  2. Step 2: Convert to fraction form
    38,489,774.42/57,743,278.43 = 12,930,086.72/x
  3. Step 3: Cross multiply
    38,489,774.42x = 57,743,278.43 × 12,930,086.72
  4. Step 4: Simplify right side
    38,489,774.42x = 746,625,597,676,713.12
  5. Step 5: Solve for x
    x = 746,625,597,676,713.12/38,489,774.42
  6. Step 6: Final answer
    x = 19,398,024.77

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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.