Home / 18,667,998.90-27,970,505.55-9,062,694.90

Finding the Fourth Proportional to 18,667,998.90, 27,970,505.55 and 9,062,694.90

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Solution

The fourth proportional to 18,667,998.90, 27,970,505.55 and 9,062,694.90 is: 13,578,753.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667,998.90 : 27,970,505.55 = 9,062,694.90 : x
  2. Step 2: Convert to fraction form
    18,667,998.90/27,970,505.55 = 9,062,694.90/x
  3. Step 3: Cross multiply
    18,667,998.90x = 27,970,505.55 × 9,062,694.90
  4. Step 4: Simplify right side
    18,667,998.90x = 253,488,157,998,406.72
  5. Step 5: Solve for x
    x = 253,488,157,998,406.72/18,667,998.90
  6. Step 6: Final answer
    x = 13,578,753.64

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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.