Home / 8,279,296.61-12,418,071.30-2,214,640.31

Finding the Fourth Proportional to 8,279,296.61, 12,418,071.30 and 2,214,640.31

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Solution

The fourth proportional to 8,279,296.61, 12,418,071.30 and 2,214,640.31 is: 3,321,726.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279,296.61 : 12,418,071.30 = 2,214,640.31 : x
  2. Step 2: Convert to fraction form
    8,279,296.61/12,418,071.30 = 2,214,640.31/x
  3. Step 3: Cross multiply
    8,279,296.61x = 12,418,071.30 × 2,214,640.31
  4. Step 4: Simplify right side
    8,279,296.61x = 27,501,561,211,343.75
  5. Step 5: Solve for x
    x = 27,501,561,211,343.75/8,279,296.61
  6. Step 6: Final answer
    x = 3,321,726.78

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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.