Home / 20,372,173.97-30,561,299.09-6,726,761.69

Finding the Fourth Proportional to 20,372,173.97, 30,561,299.09 and 6,726,761.69

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Solution

The fourth proportional to 20,372,173.97, 30,561,299.09 and 6,726,761.69 is: 10,091,145.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,372,173.97 : 30,561,299.09 = 6,726,761.69 : x
  2. Step 2: Convert to fraction form
    20,372,173.97/30,561,299.09 = 6,726,761.69/x
  3. Step 3: Cross multiply
    20,372,173.97x = 30,561,299.09 × 6,726,761.69
  4. Step 4: Simplify right side
    20,372,173.97x = 205,578,575,855,657.53
  5. Step 5: Solve for x
    x = 205,578,575,855,657.53/20,372,173.97
  6. Step 6: Final answer
    x = 10,091,145.71

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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.