Home / 12,236,470.38-18,338,171.28-4,659,302.70

Finding the Fourth Proportional to 12,236,470.38, 18,338,171.28 and 4,659,302.70

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Solution

The fourth proportional to 12,236,470.38, 18,338,171.28 and 4,659,302.70 is: 6,982,658.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236,470.38 : 18,338,171.28 = 4,659,302.70 : x
  2. Step 2: Convert to fraction form
    12,236,470.38/18,338,171.28 = 4,659,302.70/x
  3. Step 3: Cross multiply
    12,236,470.38x = 18,338,171.28 × 4,659,302.70
  4. Step 4: Simplify right side
    12,236,470.38x = 85,443,090,957,966.47
  5. Step 5: Solve for x
    x = 85,443,090,957,966.47/12,236,470.38
  6. Step 6: Final answer
    x = 6,982,658.26

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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.