Home / 15,665,600.18-23,493,076.91-5,428,070.90

Finding the Fourth Proportional to 15,665,600.18, 23,493,076.91 and 5,428,070.90

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Solution

The fourth proportional to 15,665,600.18, 23,493,076.91 and 5,428,070.90 is: 8,140,261.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,665,600.18 : 23,493,076.91 = 5,428,070.90 : x
  2. Step 2: Convert to fraction form
    15,665,600.18/23,493,076.91 = 5,428,070.90/x
  3. Step 3: Cross multiply
    15,665,600.18x = 23,493,076.91 × 5,428,070.90
  4. Step 4: Simplify right side
    15,665,600.18x = 127,522,087,126,632.92
  5. Step 5: Solve for x
    x = 127,522,087,126,632.92/15,665,600.18
  6. Step 6: Final answer
    x = 8,140,261.83

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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.