Home / 8,154,316.78-12,215,146.48-4,914,052.11

Finding the Fourth Proportional to 8,154,316.78, 12,215,146.48 and 4,914,052.11

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Solution

The fourth proportional to 8,154,316.78, 12,215,146.48 and 4,914,052.11 is: 7,361,237.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154,316.78 : 12,215,146.48 = 4,914,052.11 : x
  2. Step 2: Convert to fraction form
    8,154,316.78/12,215,146.48 = 4,914,052.11/x
  3. Step 3: Cross multiply
    8,154,316.78x = 12,215,146.48 × 4,914,052.11
  4. Step 4: Simplify right side
    8,154,316.78x = 60,025,866,321,717.95
  5. Step 5: Solve for x
    x = 60,025,866,321,717.95/8,154,316.78
  6. Step 6: Final answer
    x = 7,361,237.97

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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.