Home / 6,690,026-9,231,452.65-3,936,107.74

Finding the Fourth Proportional to 6,690,026, 9,231,452.65 and 3,936,107.74

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Solution

The fourth proportional to 6,690,026, 9,231,452.65 and 3,936,107.74 is: 5,431,367.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690,026 : 9,231,452.65 = 3,936,107.74 : x
  2. Step 2: Convert to fraction form
    6,690,026/9,231,452.65 = 3,936,107.74/x
  3. Step 3: Cross multiply
    6,690,026x = 9,231,452.65 × 3,936,107.74
  4. Step 4: Simplify right side
    6,690,026x = 36,335,992,227,108.52
  5. Step 5: Solve for x
    x = 36,335,992,227,108.52/6,690,026
  6. Step 6: Final answer
    x = 5,431,367.86

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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.