Home / 8,670,148.68-13,007,049.18-3,278,679.75

Finding the Fourth Proportional to 8,670,148.68, 13,007,049.18 and 3,278,679.75

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Solution

The fourth proportional to 8,670,148.68, 13,007,049.18 and 3,278,679.75 is: 4,918,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670,148.68 : 13,007,049.18 = 3,278,679.75 : x
  2. Step 2: Convert to fraction form
    8,670,148.68/13,007,049.18 = 3,278,679.75/x
  3. Step 3: Cross multiply
    8,670,148.68x = 13,007,049.18 × 3,278,679.75
  4. Step 4: Simplify right side
    8,670,148.68x = 42,645,948,753,720.10
  5. Step 5: Solve for x
    x = 42,645,948,753,720.10/8,670,148.68
  6. Step 6: Final answer
    x = 4,918,710.20

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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.