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Finding the Fourth Proportional to 8,691,846.60, 13,037,769.90 and 6,332,550.60

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Solution

The fourth proportional to 8,691,846.60, 13,037,769.90 and 6,332,550.60 is: 9,498,825.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,846.60 : 13,037,769.90 = 6,332,550.60 : x
  2. Step 2: Convert to fraction form
    8,691,846.60/13,037,769.90 = 6,332,550.60/x
  3. Step 3: Cross multiply
    8,691,846.60x = 13,037,769.90 × 6,332,550.60
  4. Step 4: Simplify right side
    8,691,846.60x = 82,562,337,602,906.94
  5. Step 5: Solve for x
    x = 82,562,337,602,906.94/8,691,846.60
  6. Step 6: Final answer
    x = 9,498,825.90

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Double scale
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Similar ratio
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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.