Home / 7,920,691.68-11,882,378.82-2,731,892.28

Finding the Fourth Proportional to 7,920,691.68, 11,882,378.82 and 2,731,892.28

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Solution

The fourth proportional to 7,920,691.68, 11,882,378.82 and 2,731,892.28 is: 4,098,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,691.68 : 11,882,378.82 = 2,731,892.28 : x
  2. Step 2: Convert to fraction form
    7,920,691.68/11,882,378.82 = 2,731,892.28/x
  3. Step 3: Cross multiply
    7,920,691.68x = 11,882,378.82 × 2,731,892.28
  4. Step 4: Simplify right side
    7,920,691.68x = 32,461,378,995,076.52
  5. Step 5: Solve for x
    x = 32,461,378,995,076.52/7,920,691.68
  6. Step 6: Final answer
    x = 4,098,301.05

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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.