Home / 18,498,165.40-27,747,248.10-8,914,512.70

Finding the Fourth Proportional to 18,498,165.40, 27,747,248.10 and 8,914,512.70

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Solution

The fourth proportional to 18,498,165.40, 27,747,248.10 and 8,914,512.70 is: 13,371,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,498,165.40 : 27,747,248.10 = 8,914,512.70 : x
  2. Step 2: Convert to fraction form
    18,498,165.40/27,747,248.10 = 8,914,512.70/x
  3. Step 3: Cross multiply
    18,498,165.40x = 27,747,248.10 × 8,914,512.70
  4. Step 4: Simplify right side
    18,498,165.40x = 247,353,195,577,500.88
  5. Step 5: Solve for x
    x = 247,353,195,577,500.88/18,498,165.40
  6. Step 6: Final answer
    x = 13,371,769.05

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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.