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Finding the Fourth Proportional to 16,632,481.60, 24,948,722.40 and 12,153,505.60

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Solution

The fourth proportional to 16,632,481.60, 24,948,722.40 and 12,153,505.60 is: 18,230,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,632,481.60 : 24,948,722.40 = 12,153,505.60 : x
  2. Step 2: Convert to fraction form
    16,632,481.60/24,948,722.40 = 12,153,505.60/x
  3. Step 3: Cross multiply
    16,632,481.60x = 24,948,722.40 × 12,153,505.60
  4. Step 4: Simplify right side
    16,632,481.60x = 303,214,437,401,245.44
  5. Step 5: Solve for x
    x = 303,214,437,401,245.44/16,632,481.60
  6. Step 6: Final answer
    x = 18,230,258.40

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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.