Home / 12,498,270.72-18,664,357.44-12,363,002.28

Finding the Fourth Proportional to 12,498,270.72, 18,664,357.44 and 12,363,002.28

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Solution

The fourth proportional to 12,498,270.72, 18,664,357.44 and 12,363,002.28 is: 18,462,353.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,498,270.72 : 18,664,357.44 = 12,363,002.28 : x
  2. Step 2: Convert to fraction form
    12,498,270.72/18,664,357.44 = 12,363,002.28/x
  3. Step 3: Cross multiply
    12,498,270.72x = 18,664,357.44 × 12,363,002.28
  4. Step 4: Simplify right side
    12,498,270.72x = 230,747,493,585,454.97
  5. Step 5: Solve for x
    x = 230,747,493,585,454.97/12,498,270.72
  6. Step 6: Final answer
    x = 18,462,353.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.