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Finding the Fourth Proportional to 8,231,674.60, 12,347,978.46 and 2,552,706.28

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Solution

The fourth proportional to 8,231,674.60, 12,347,978.46 and 2,552,706.28 is: 3,829,204.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231,674.60 : 12,347,978.46 = 2,552,706.28 : x
  2. Step 2: Convert to fraction form
    8,231,674.60/12,347,978.46 = 2,552,706.28/x
  3. Step 3: Cross multiply
    8,231,674.60x = 12,347,978.46 × 2,552,706.28
  4. Step 4: Simplify right side
    8,231,674.60x = 31,520,762,160,146.73
  5. Step 5: Solve for x
    x = 31,520,762,160,146.73/8,231,674.60
  6. Step 6: Final answer
    x = 3,829,204.10

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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.