Home / 12,192,086.52-18,275,326.92-4,102,253.64

Finding the Fourth Proportional to 12,192,086.52, 18,275,326.92 and 4,102,253.64

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Solution

The fourth proportional to 12,192,086.52, 18,275,326.92 and 4,102,253.64 is: 6,149,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192,086.52 : 18,275,326.92 = 4,102,253.64 : x
  2. Step 2: Convert to fraction form
    12,192,086.52/18,275,326.92 = 4,102,253.64/x
  3. Step 3: Cross multiply
    12,192,086.52x = 18,275,326.92 × 4,102,253.64
  4. Step 4: Simplify right side
    12,192,086.52x = 74,970,026,379,760
  5. Step 5: Solve for x
    x = 74,970,026,379,760/12,192,086.52
  6. Step 6: Final answer
    x = 6,149,072.70

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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.