Home / 18,165,219.22-27,247,828.83-12,468,171.70

Finding the Fourth Proportional to 18,165,219.22, 27,247,828.83 and 12,468,171.70

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Solution

The fourth proportional to 18,165,219.22, 27,247,828.83 and 12,468,171.70 is: 18,702,257.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,165,219.22 : 27,247,828.83 = 12,468,171.70 : x
  2. Step 2: Convert to fraction form
    18,165,219.22/27,247,828.83 = 12,468,171.70/x
  3. Step 3: Cross multiply
    18,165,219.22x = 27,247,828.83 × 12,468,171.70
  4. Step 4: Simplify right side
    18,165,219.22x = 339,730,608,304,650.06
  5. Step 5: Solve for x
    x = 339,730,608,304,650.06/18,165,219.22
  6. Step 6: Final answer
    x = 18,702,257.55

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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.