Home / 18,199,712.70-27,264,139.65-10,098,189.90

Finding the Fourth Proportional to 18,199,712.70, 27,264,139.65 and 10,098,189.90

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Solution

The fourth proportional to 18,199,712.70, 27,264,139.65 and 10,098,189.90 is: 15,127,626.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,199,712.70 : 27,264,139.65 = 10,098,189.90 : x
  2. Step 2: Convert to fraction form
    18,199,712.70/27,264,139.65 = 10,098,189.90/x
  3. Step 3: Cross multiply
    18,199,712.70x = 27,264,139.65 × 10,098,189.90
  4. Step 4: Simplify right side
    18,199,712.70x = 275,318,459,645,819.53
  5. Step 5: Solve for x
    x = 275,318,459,645,819.53/18,199,712.70
  6. Step 6: Final answer
    x = 15,127,626.69

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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.