Home / 6,687,167.48-9,228,134.99-3,934,032.21

Finding the Fourth Proportional to 6,687,167.48, 9,228,134.99 and 3,934,032.21

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Solution

The fourth proportional to 6,687,167.48, 9,228,134.99 and 3,934,032.21 is: 5,428,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687,167.48 : 9,228,134.99 = 3,934,032.21 : x
  2. Step 2: Convert to fraction form
    6,687,167.48/9,228,134.99 = 3,934,032.21/x
  3. Step 3: Cross multiply
    6,687,167.48x = 9,228,134.99 × 3,934,032.21
  4. Step 4: Simplify right side
    6,687,167.48x = 36,303,780,269,217.87
  5. Step 5: Solve for x
    x = 36,303,780,269,217.87/6,687,167.48
  6. Step 6: Final answer
    x = 5,428,872.60

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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.