Home / 12,332,612.12-18,505,296.72-8,948,796.89

Finding the Fourth Proportional to 12,332,612.12, 18,505,296.72 and 8,948,796.89

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Solution

The fourth proportional to 12,332,612.12, 18,505,296.72 and 8,948,796.89 is: 13,427,823.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332,612.12 : 18,505,296.72 = 8,948,796.89 : x
  2. Step 2: Convert to fraction form
    12,332,612.12/18,505,296.72 = 8,948,796.89/x
  3. Step 3: Cross multiply
    12,332,612.12x = 18,505,296.72 × 8,948,796.89
  4. Step 4: Simplify right side
    12,332,612.12x = 165,600,141,736,463.19
  5. Step 5: Solve for x
    x = 165,600,141,736,463.19/12,332,612.12
  6. Step 6: Final answer
    x = 13,427,823.73

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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.