Home / 6,321,107.25-8,723,151.14-3,420,498.15

Finding the Fourth Proportional to 6,321,107.25, 8,723,151.14 and 3,420,498.15

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Solution

The fourth proportional to 6,321,107.25, 8,723,151.14 and 3,420,498.15 is: 4,720,299.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,107.25 : 8,723,151.14 = 3,420,498.15 : x
  2. Step 2: Convert to fraction form
    6,321,107.25/8,723,151.14 = 3,420,498.15/x
  3. Step 3: Cross multiply
    6,321,107.25x = 8,723,151.14 × 3,420,498.15
  4. Step 4: Simplify right side
    6,321,107.25x = 29,837,522,319,437.90
  5. Step 5: Solve for x
    x = 29,837,522,319,437.90/6,321,107.25
  6. Step 6: Final answer
    x = 4,720,299.96

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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.