Home / 6,891,977.28-9,511,241.76-3,836,385.12

Finding the Fourth Proportional to 6,891,977.28, 9,511,241.76 and 3,836,385.12

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Solution

The fourth proportional to 6,891,977.28, 9,511,241.76 and 3,836,385.12 is: 5,294,385.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891,977.28 : 9,511,241.76 = 3,836,385.12 : x
  2. Step 2: Convert to fraction form
    6,891,977.28/9,511,241.76 = 3,836,385.12/x
  3. Step 3: Cross multiply
    6,891,977.28x = 9,511,241.76 × 3,836,385.12
  4. Step 4: Simplify right side
    6,891,977.28x = 36,488,786,360,786.61
  5. Step 5: Solve for x
    x = 36,488,786,360,786.61/6,891,977.28
  6. Step 6: Final answer
    x = 5,294,385.76

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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.