Home / 6,438,773.18-8,876,628.26-5,136,446.12

Finding the Fourth Proportional to 6,438,773.18, 8,876,628.26 and 5,136,446.12

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Solution

The fourth proportional to 6,438,773.18, 8,876,628.26 and 5,136,446.12 is: 7,081,212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,773.18 : 8,876,628.26 = 5,136,446.12 : x
  2. Step 2: Convert to fraction form
    6,438,773.18/8,876,628.26 = 5,136,446.12/x
  3. Step 3: Cross multiply
    6,438,773.18x = 8,876,628.26 × 5,136,446.12
  4. Step 4: Simplify right side
    6,438,773.18x = 45,594,322,753,217.32
  5. Step 5: Solve for x
    x = 45,594,322,753,217.32/6,438,773.18
  6. Step 6: Final answer
    x = 7,081,212.76

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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.