Home / 8,639,375.67-12,960,996.46-3,248,072.78

Finding the Fourth Proportional to 8,639,375.67, 12,960,996.46 and 3,248,072.78

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Solution

The fourth proportional to 8,639,375.67, 12,960,996.46 and 3,248,072.78 is: 4,872,835.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639,375.67 : 12,960,996.46 = 3,248,072.78 : x
  2. Step 2: Convert to fraction form
    8,639,375.67/12,960,996.46 = 3,248,072.78/x
  3. Step 3: Cross multiply
    8,639,375.67x = 12,960,996.46 × 3,248,072.78
  4. Step 4: Simplify right side
    8,639,375.67x = 42,098,259,730,477.20
  5. Step 5: Solve for x
    x = 42,098,259,730,477.20/8,639,375.67
  6. Step 6: Final answer
    x = 4,872,835.88

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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.