Home / 18,377,961.90-27,566,942.85-12,331,344.30

Finding the Fourth Proportional to 18,377,961.90, 27,566,942.85 and 12,331,344.30

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Solution

The fourth proportional to 18,377,961.90, 27,566,942.85 and 12,331,344.30 is: 18,497,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377,961.90 : 27,566,942.85 = 12,331,344.30 : x
  2. Step 2: Convert to fraction form
    18,377,961.90/27,566,942.85 = 12,331,344.30/x
  3. Step 3: Cross multiply
    18,377,961.90x = 27,566,942.85 × 12,331,344.30
  4. Step 4: Simplify right side
    18,377,961.90x = 339,937,463,581,773.31
  5. Step 5: Solve for x
    x = 339,937,463,581,773.31/18,377,961.90
  6. Step 6: Final answer
    x = 18,497,016.45

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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.