Home / 6,690,035.76-9,231,466.11-3,936,117.53

Finding the Fourth Proportional to 6,690,035.76, 9,231,466.11 and 3,936,117.53

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Solution

The fourth proportional to 6,690,035.76, 9,231,466.11 and 3,936,117.53 is: 5,431,381.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690,035.76 : 9,231,466.11 = 3,936,117.53 : x
  2. Step 2: Convert to fraction form
    6,690,035.76/9,231,466.11 = 3,936,117.53/x
  3. Step 3: Cross multiply
    6,690,035.76x = 9,231,466.11 × 3,936,117.53
  4. Step 4: Simplify right side
    6,690,035.76x = 36,336,135,537,014.58
  5. Step 5: Solve for x
    x = 36,336,135,537,014.58/6,690,035.76
  6. Step 6: Final answer
    x = 5,431,381.36

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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.