Home / 7,167,949.86-9,891,766.53-3,948,685.86

Finding the Fourth Proportional to 7,167,949.86, 9,891,766.53 and 3,948,685.86

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Solution

The fourth proportional to 7,167,949.86, 9,891,766.53 and 3,948,685.86 is: 5,449,184.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167,949.86 : 9,891,766.53 = 3,948,685.86 : x
  2. Step 2: Convert to fraction form
    7,167,949.86/9,891,766.53 = 3,948,685.86/x
  3. Step 3: Cross multiply
    7,167,949.86x = 9,891,766.53 × 3,948,685.86
  4. Step 4: Simplify right side
    7,167,949.86x = 39,059,478,627,432.27
  5. Step 5: Solve for x
    x = 39,059,478,627,432.27/7,167,949.86
  6. Step 6: Final answer
    x = 5,449,184.13

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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.