Home / 8,131,620.35-11,219,754.21-4,867,194.80

Finding the Fourth Proportional to 8,131,620.35, 11,219,754.21 and 4,867,194.80

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Solution

The fourth proportional to 8,131,620.35, 11,219,754.21 and 4,867,194.80 is: 6,715,602.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131,620.35 : 11,219,754.21 = 4,867,194.80 : x
  2. Step 2: Convert to fraction form
    8,131,620.35/11,219,754.21 = 4,867,194.80/x
  3. Step 3: Cross multiply
    8,131,620.35x = 11,219,754.21 × 4,867,194.80
  4. Step 4: Simplify right side
    8,131,620.35x = 54,608,729,348,190.11
  5. Step 5: Solve for x
    x = 54,608,729,348,190.11/8,131,620.35
  6. Step 6: Final answer
    x = 6,715,602.43

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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.