Home / 6,715,909.21-9,267,986.64-3,815,459.23

Finding the Fourth Proportional to 6,715,909.21, 9,267,986.64 and 3,815,459.23

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Solution

The fourth proportional to 6,715,909.21, 9,267,986.64 and 3,815,459.23 is: 5,265,351.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715,909.21 : 9,267,986.64 = 3,815,459.23 : x
  2. Step 2: Convert to fraction form
    6,715,909.21/9,267,986.64 = 3,815,459.23/x
  3. Step 3: Cross multiply
    6,715,909.21x = 9,267,986.64 × 3,815,459.23
  4. Step 4: Simplify right side
    6,715,909.21x = 35,361,625,169,104.69
  5. Step 5: Solve for x
    x = 35,361,625,169,104.69/6,715,909.21
  6. Step 6: Final answer
    x = 5,265,351.88

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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.