Home / 6,418,507.72-8,858,516.58-4,096,402.12

Finding the Fourth Proportional to 6,418,507.72, 8,858,516.58 and 4,096,402.12

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Solution

The fourth proportional to 6,418,507.72, 8,858,516.58 and 4,096,402.12 is: 5,653,657.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418,507.72 : 8,858,516.58 = 4,096,402.12 : x
  2. Step 2: Convert to fraction form
    6,418,507.72/8,858,516.58 = 4,096,402.12/x
  3. Step 3: Cross multiply
    6,418,507.72x = 8,858,516.58 × 4,096,402.12
  4. Step 4: Simplify right side
    6,418,507.72x = 36,288,046,098,367.15
  5. Step 5: Solve for x
    x = 36,288,046,098,367.15/6,418,507.72
  6. Step 6: Final answer
    x = 5,653,657.78

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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.