Home / 12,540,245.92-17,304,155.71-7,032,487.36

Finding the Fourth Proportional to 12,540,245.92, 17,304,155.71 and 7,032,487.36

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Solution

The fourth proportional to 12,540,245.92, 17,304,155.71 and 7,032,487.36 is: 9,704,056.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,540,245.92 : 17,304,155.71 = 7,032,487.36 : x
  2. Step 2: Convert to fraction form
    12,540,245.92/17,304,155.71 = 7,032,487.36/x
  3. Step 3: Cross multiply
    12,540,245.92x = 17,304,155.71 × 7,032,487.36
  4. Step 4: Simplify right side
    12,540,245.92x = 121,691,256,306,046.84
  5. Step 5: Solve for x
    x = 121,691,256,306,046.84/12,540,245.92
  6. Step 6: Final answer
    x = 9,704,056.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.