Home / 13,356,122.38-20,029,076.42-7,287,610.18

Finding the Fourth Proportional to 13,356,122.38, 20,029,076.42 and 7,287,610.18

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Solution

The fourth proportional to 13,356,122.38, 20,029,076.42 and 7,287,610.18 is: 10,928,628.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356,122.38 : 20,029,076.42 = 7,287,610.18 : x
  2. Step 2: Convert to fraction form
    13,356,122.38/20,029,076.42 = 7,287,610.18/x
  3. Step 3: Cross multiply
    13,356,122.38x = 20,029,076.42 × 7,287,610.18
  4. Step 4: Simplify right side
    13,356,122.38x = 145,964,101,214,389.97
  5. Step 5: Solve for x
    x = 145,964,101,214,389.97/13,356,122.38
  6. Step 6: Final answer
    x = 10,928,628.61

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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.