Home / 8,305,576.20-12,455,906.70-3,253,979.40

Finding the Fourth Proportional to 8,305,576.20, 12,455,906.70 and 3,253,979.40

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Solution

The fourth proportional to 8,305,576.20, 12,455,906.70 and 3,253,979.40 is: 4,880,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,576.20 : 12,455,906.70 = 3,253,979.40 : x
  2. Step 2: Convert to fraction form
    8,305,576.20/12,455,906.70 = 3,253,979.40/x
  3. Step 3: Cross multiply
    8,305,576.20x = 12,455,906.70 × 3,253,979.40
  4. Step 4: Simplify right side
    8,305,576.20x = 40,531,263,810,121.98
  5. Step 5: Solve for x
    x = 40,531,263,810,121.98/8,305,576.20
  6. Step 6: Final answer
    x = 4,880,006.26

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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.