Home / 38,290,646-57,436,469.04-12,731,654.90

Finding the Fourth Proportional to 38,290,646, 57,436,469.04 and 12,731,654.90

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Solution

The fourth proportional to 38,290,646, 57,436,469.04 and 12,731,654.90 is: 19,097,648.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290,646 : 57,436,469.04 = 12,731,654.90 : x
  2. Step 2: Convert to fraction form
    38,290,646/57,436,469.04 = 12,731,654.90/x
  3. Step 3: Cross multiply
    38,290,646x = 57,436,469.04 × 12,731,654.90
  4. Step 4: Simplify right side
    38,290,646x = 731,261,302,491,814.25
  5. Step 5: Solve for x
    x = 731,261,302,491,814.25/38,290,646
  6. Step 6: Final answer
    x = 19,097,648.61

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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.