Home / 10,505,909.67-15,726,542.90-6,854,777.75

Finding the Fourth Proportional to 10,505,909.67, 15,726,542.90 and 6,854,777.75

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Solution

The fourth proportional to 10,505,909.67, 15,726,542.90 and 6,854,777.75 is: 10,261,077.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505,909.67 : 15,726,542.90 = 6,854,777.75 : x
  2. Step 2: Convert to fraction form
    10,505,909.67/15,726,542.90 = 6,854,777.75/x
  3. Step 3: Cross multiply
    10,505,909.67x = 15,726,542.90 × 6,854,777.75
  4. Step 4: Simplify right side
    10,505,909.67x = 107,801,956,355,340.48
  5. Step 5: Solve for x
    x = 107,801,956,355,340.48/10,505,909.67
  6. Step 6: Final answer
    x = 10,261,077.79

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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.