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Finding the Fourth Proportional to 8,176,490.60, 12,264,735.90 and 8,176,490.60

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Solution

The fourth proportional to 8,176,490.60, 12,264,735.90 and 8,176,490.60 is: 12,264,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176,490.60 : 12,264,735.90 = 8,176,490.60 : x
  2. Step 2: Convert to fraction form
    8,176,490.60/12,264,735.90 = 8,176,490.60/x
  3. Step 3: Cross multiply
    8,176,490.60x = 12,264,735.90 × 8,176,490.60
  4. Step 4: Simplify right side
    8,176,490.60x = 100,282,497,797,832.53
  5. Step 5: Solve for x
    x = 100,282,497,797,832.53/8,176,490.60
  6. Step 6: Final answer
    x = 12,264,735.90

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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.