Home / 10,412,016.71-15,624,002.54-8,131,139.73

Finding the Fourth Proportional to 10,412,016.71, 15,624,002.54 and 8,131,139.73

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Solution

The fourth proportional to 10,412,016.71, 15,624,002.54 and 8,131,139.73 is: 12,201,377.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412,016.71 : 15,624,002.54 = 8,131,139.73 : x
  2. Step 2: Convert to fraction form
    10,412,016.71/15,624,002.54 = 8,131,139.73/x
  3. Step 3: Cross multiply
    10,412,016.71x = 15,624,002.54 × 8,131,139.73
  4. Step 4: Simplify right side
    10,412,016.71x = 127,040,947,814,942.78
  5. Step 5: Solve for x
    x = 127,040,947,814,942.78/10,412,016.71
  6. Step 6: Final answer
    x = 12,201,377.64

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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.