Home / 20,372,173.72-30,561,298.72-6,726,761.44

Finding the Fourth Proportional to 20,372,173.72, 30,561,298.72 and 6,726,761.44

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Solution

The fourth proportional to 20,372,173.72, 30,561,298.72 and 6,726,761.44 is: 10,091,145.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,372,173.72 : 30,561,298.72 = 6,726,761.44 : x
  2. Step 2: Convert to fraction form
    20,372,173.72/30,561,298.72 = 6,726,761.44/x
  3. Step 3: Cross multiply
    20,372,173.72x = 30,561,298.72 × 6,726,761.44
  4. Step 4: Simplify right side
    20,372,173.72x = 205,578,565,692,797.22
  5. Step 5: Solve for x
    x = 205,578,565,692,797.22/20,372,173.72
  6. Step 6: Final answer
    x = 10,091,145.33

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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.