Home / 18,123,851.61-27,181,623.15-5,169,755.70

Finding the Fourth Proportional to 18,123,851.61, 27,181,623.15 and 5,169,755.70

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Solution

The fourth proportional to 18,123,851.61, 27,181,623.15 and 5,169,755.70 is: 7,753,448.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123,851.61 : 27,181,623.15 = 5,169,755.70 : x
  2. Step 2: Convert to fraction form
    18,123,851.61/27,181,623.15 = 5,169,755.70/x
  3. Step 3: Cross multiply
    18,123,851.61x = 27,181,623.15 × 5,169,755.70
  4. Step 4: Simplify right side
    18,123,851.61x = 140,522,351,214,964.45
  5. Step 5: Solve for x
    x = 140,522,351,214,964.45/18,123,851.61
  6. Step 6: Final answer
    x = 7,753,448.56

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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.