Home / 8,165,717.70-12,248,576.55-3,914,189.70

Finding the Fourth Proportional to 8,165,717.70, 12,248,576.55 and 3,914,189.70

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Solution

The fourth proportional to 8,165,717.70, 12,248,576.55 and 3,914,189.70 is: 5,871,284.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165,717.70 : 12,248,576.55 = 3,914,189.70 : x
  2. Step 2: Convert to fraction form
    8,165,717.70/12,248,576.55 = 3,914,189.70/x
  3. Step 3: Cross multiply
    8,165,717.70x = 12,248,576.55 × 3,914,189.70
  4. Step 4: Simplify right side
    8,165,717.70x = 47,943,252,171,671.54
  5. Step 5: Solve for x
    x = 47,943,252,171,671.54/8,165,717.70
  6. Step 6: Final answer
    x = 5,871,284.55

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Similar ratio
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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.