Home / 38,290,728.98-57,436,593.28-12,731,738.38

Finding the Fourth Proportional to 38,290,728.98, 57,436,593.28 and 12,731,738.38

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Solution

The fourth proportional to 38,290,728.98, 57,436,593.28 and 12,731,738.38 is: 19,097,773.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290,728.98 : 57,436,593.28 = 12,731,738.38 : x
  2. Step 2: Convert to fraction form
    38,290,728.98/57,436,593.28 = 12,731,738.38/x
  3. Step 3: Cross multiply
    38,290,728.98x = 57,436,593.28 × 12,731,738.38
  4. Step 4: Simplify right side
    38,290,728.98x = 731,267,678,904,005.25
  5. Step 5: Solve for x
    x = 731,267,678,904,005.25/38,290,728.98
  6. Step 6: Final answer
    x = 19,097,773.75

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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.