Home / 15,040,321.47-20,755,896.04-8,164,803.53

Finding the Fourth Proportional to 15,040,321.47, 20,755,896.04 and 8,164,803.53

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Solution

The fourth proportional to 15,040,321.47, 20,755,896.04 and 8,164,803.53 is: 11,267,565.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,040,321.47 : 20,755,896.04 = 8,164,803.53 : x
  2. Step 2: Convert to fraction form
    15,040,321.47/20,755,896.04 = 8,164,803.53/x
  3. Step 3: Cross multiply
    15,040,321.47x = 20,755,896.04 × 8,164,803.53
  4. Step 4: Simplify right side
    15,040,321.47x = 169,467,813,255,705.03
  5. Step 5: Solve for x
    x = 169,467,813,255,705.03/15,040,321.47
  6. Step 6: Final answer
    x = 11,267,565.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.