Home / 6,457,260.78-9,685,891.17-5,625,850.86

Finding the Fourth Proportional to 6,457,260.78, 9,685,891.17 and 5,625,850.86

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Solution

The fourth proportional to 6,457,260.78, 9,685,891.17 and 5,625,850.86 is: 8,438,776.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457,260.78 : 9,685,891.17 = 5,625,850.86 : x
  2. Step 2: Convert to fraction form
    6,457,260.78/9,685,891.17 = 5,625,850.86/x
  3. Step 3: Cross multiply
    6,457,260.78x = 9,685,891.17 × 5,625,850.86
  4. Step 4: Simplify right side
    6,457,260.78x = 54,491,379,168,610.91
  5. Step 5: Solve for x
    x = 54,491,379,168,610.91/6,457,260.78
  6. Step 6: Final answer
    x = 8,438,776.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.