Home / 38,290,729.25-57,436,593.70-12,731,738.66

Finding the Fourth Proportional to 38,290,729.25, 57,436,593.70 and 12,731,738.66

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Solution

The fourth proportional to 38,290,729.25, 57,436,593.70 and 12,731,738.66 is: 19,097,774.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290,729.25 : 57,436,593.70 = 12,731,738.66 : x
  2. Step 2: Convert to fraction form
    38,290,729.25/57,436,593.70 = 12,731,738.66/x
  3. Step 3: Cross multiply
    38,290,729.25x = 57,436,593.70 × 12,731,738.66
  4. Step 4: Simplify right side
    38,290,729.25x = 731,267,700,429,249.38
  5. Step 5: Solve for x
    x = 731,267,700,429,249.38/38,290,729.25
  6. Step 6: Final answer
    x = 19,097,774.18

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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.