Home / 6,613,138.85-9,125,627.78-3,711,969.21

Finding the Fourth Proportional to 6,613,138.85, 9,125,627.78 and 3,711,969.21

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Solution

The fourth proportional to 6,613,138.85, 9,125,627.78 and 3,711,969.21 is: 5,122,234.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613,138.85 : 9,125,627.78 = 3,711,969.21 : x
  2. Step 2: Convert to fraction form
    6,613,138.85/9,125,627.78 = 3,711,969.21/x
  3. Step 3: Cross multiply
    6,613,138.85x = 9,125,627.78 × 3,711,969.21
  4. Step 4: Simplify right side
    6,613,138.85x = 33,874,049,374,341.77
  5. Step 5: Solve for x
    x = 33,874,049,374,341.77/6,613,138.85
  6. Step 6: Final answer
    x = 5,122,234.71

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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.