Home / 6,515,149.95-8,991,835.92-3,761,286.84

Finding the Fourth Proportional to 6,515,149.95, 8,991,835.92 and 3,761,286.84

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Solution

The fourth proportional to 6,515,149.95, 8,991,835.92 and 3,761,286.84 is: 5,191,112.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515,149.95 : 8,991,835.92 = 3,761,286.84 : x
  2. Step 2: Convert to fraction form
    6,515,149.95/8,991,835.92 = 3,761,286.84/x
  3. Step 3: Cross multiply
    6,515,149.95x = 8,991,835.92 × 3,761,286.84
  4. Step 4: Simplify right side
    6,515,149.95x = 33,820,874,113,335.29
  5. Step 5: Solve for x
    x = 33,820,874,113,335.29/6,515,149.95
  6. Step 6: Final answer
    x = 5,191,112.16

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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.