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Finding the Fourth Proportional to 16,128,693.60, 24,193,040.40 and 16,016,719.20

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Solution

The fourth proportional to 16,128,693.60, 24,193,040.40 and 16,016,719.20 is: 24,025,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128,693.60 : 24,193,040.40 = 16,016,719.20 : x
  2. Step 2: Convert to fraction form
    16,128,693.60/24,193,040.40 = 16,016,719.20/x
  3. Step 3: Cross multiply
    16,128,693.60x = 24,193,040.40 × 16,016,719.20
  4. Step 4: Simplify right side
    16,128,693.60x = 387,493,134,681,055.62
  5. Step 5: Solve for x
    x = 387,493,134,681,055.62/16,128,693.60
  6. Step 6: Final answer
    x = 24,025,078.80

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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.