Home / 8,751,287.68-12,077,065.92-5,079,909.76

Finding the Fourth Proportional to 8,751,287.68, 12,077,065.92 and 5,079,909.76

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Solution

The fourth proportional to 8,751,287.68, 12,077,065.92 and 5,079,909.76 is: 7,010,443.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751,287.68 : 12,077,065.92 = 5,079,909.76 : x
  2. Step 2: Convert to fraction form
    8,751,287.68/12,077,065.92 = 5,079,909.76/x
  3. Step 3: Cross multiply
    8,751,287.68x = 12,077,065.92 × 5,079,909.76
  4. Step 4: Simplify right side
    8,751,287.68x = 61,350,405,039,171.38
  5. Step 5: Solve for x
    x = 61,350,405,039,171.38/8,751,287.68
  6. Step 6: Final answer
    x = 7,010,443.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.