Home / 8,517,277.40-12,754,920.90-5,661,930.20

Finding the Fourth Proportional to 8,517,277.40, 12,754,920.90 and 5,661,930.20

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Solution

The fourth proportional to 8,517,277.40, 12,754,920.90 and 5,661,930.20 is: 8,478,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517,277.40 : 12,754,920.90 = 5,661,930.20 : x
  2. Step 2: Convert to fraction form
    8,517,277.40/12,754,920.90 = 5,661,930.20/x
  3. Step 3: Cross multiply
    8,517,277.40x = 12,754,920.90 × 5,661,930.20
  4. Step 4: Simplify right side
    8,517,277.40x = 72,217,471,842,321.19
  5. Step 5: Solve for x
    x = 72,217,471,842,321.19/8,517,277.40
  6. Step 6: Final answer
    x = 8,478,938.57

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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.