Home / 8,561,424.15-12,825,025.56-5,147,841.60

Finding the Fourth Proportional to 8,561,424.15, 12,825,025.56 and 5,147,841.60

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Solution

The fourth proportional to 8,561,424.15, 12,825,025.56 and 5,147,841.60 is: 7,711,474.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,561,424.15 : 12,825,025.56 = 5,147,841.60 : x
  2. Step 2: Convert to fraction form
    8,561,424.15/12,825,025.56 = 5,147,841.60/x
  3. Step 3: Cross multiply
    8,561,424.15x = 12,825,025.56 × 5,147,841.60
  4. Step 4: Simplify right side
    8,561,424.15x = 66,021,200,098,831.30
  5. Step 5: Solve for x
    x = 66,021,200,098,831.30/8,561,424.15
  6. Step 6: Final answer
    x = 7,711,474.04

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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.