Home / 10,505,909.17-15,726,542.15-6,854,777.25

Finding the Fourth Proportional to 10,505,909.17, 15,726,542.15 and 6,854,777.25

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Solution

The fourth proportional to 10,505,909.17, 15,726,542.15 and 6,854,777.25 is: 10,261,077.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505,909.17 : 15,726,542.15 = 6,854,777.25 : x
  2. Step 2: Convert to fraction form
    10,505,909.17/15,726,542.15 = 6,854,777.25/x
  3. Step 3: Cross multiply
    10,505,909.17x = 15,726,542.15 × 6,854,777.25
  4. Step 4: Simplify right side
    10,505,909.17x = 107,801,943,350,986.09
  5. Step 5: Solve for x
    x = 107,801,943,350,986.09/10,505,909.17
  6. Step 6: Final answer
    x = 10,261,077.04

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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.