Home / 7,986,876.30-11,980,314.45-3,198,002.40

Finding the Fourth Proportional to 7,986,876.30, 11,980,314.45 and 3,198,002.40

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Solution

The fourth proportional to 7,986,876.30, 11,980,314.45 and 3,198,002.40 is: 4,797,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986,876.30 : 11,980,314.45 = 3,198,002.40 : x
  2. Step 2: Convert to fraction form
    7,986,876.30/11,980,314.45 = 3,198,002.40/x
  3. Step 3: Cross multiply
    7,986,876.30x = 11,980,314.45 × 3,198,002.40
  4. Step 4: Simplify right side
    7,986,876.30x = 38,313,074,363,854.68
  5. Step 5: Solve for x
    x = 38,313,074,363,854.68/7,986,876.30
  6. Step 6: Final answer
    x = 4,797,003.60

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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.