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Finding the Fourth Proportional to 15,290,796.60, 22,936,194.90 and 8,488,351.80

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Solution

The fourth proportional to 15,290,796.60, 22,936,194.90 and 8,488,351.80 is: 12,732,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290,796.60 : 22,936,194.90 = 8,488,351.80 : x
  2. Step 2: Convert to fraction form
    15,290,796.60/22,936,194.90 = 8,488,351.80/x
  3. Step 3: Cross multiply
    15,290,796.60x = 22,936,194.90 × 8,488,351.80
  4. Step 4: Simplify right side
    15,290,796.60x = 194,690,491,264,565.81
  5. Step 5: Solve for x
    x = 194,690,491,264,565.81/15,290,796.60
  6. Step 6: Final answer
    x = 12,732,527.70

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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.