Home / 8,659,196.87-12,988,527.39-4,113,517.37

Finding the Fourth Proportional to 8,659,196.87, 12,988,527.39 and 4,113,517.37

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Solution

The fourth proportional to 8,659,196.87, 12,988,527.39 and 4,113,517.37 is: 6,170,148.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,659,196.87 : 12,988,527.39 = 4,113,517.37 : x
  2. Step 2: Convert to fraction form
    8,659,196.87/12,988,527.39 = 4,113,517.37/x
  3. Step 3: Cross multiply
    8,659,196.87x = 12,988,527.39 × 4,113,517.37
  4. Step 4: Simplify right side
    8,659,196.87x = 53,428,532,964,543.13
  5. Step 5: Solve for x
    x = 53,428,532,964,543.13/8,659,196.87
  6. Step 6: Final answer
    x = 6,170,148.78

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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.