Home / 15,541,155.20-23,302,401.60-7,982,883.20

Finding the Fourth Proportional to 15,541,155.20, 23,302,401.60 and 7,982,883.20

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Solution

The fourth proportional to 15,541,155.20, 23,302,401.60 and 7,982,883.20 is: 11,969,531.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541,155.20 : 23,302,401.60 = 7,982,883.20 : x
  2. Step 2: Convert to fraction form
    15,541,155.20/23,302,401.60 = 7,982,883.20/x
  3. Step 3: Cross multiply
    15,541,155.20x = 23,302,401.60 × 7,982,883.20
  4. Step 4: Simplify right side
    15,541,155.20x = 186,020,350,252,293.12
  5. Step 5: Solve for x
    x = 186,020,350,252,293.12/15,541,155.20
  6. Step 6: Final answer
    x = 11,969,531.73

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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.