Home / 8,321,202.30-12,481,803.45-7,375,640.70

Finding the Fourth Proportional to 8,321,202.30, 12,481,803.45 and 7,375,640.70

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Solution

The fourth proportional to 8,321,202.30, 12,481,803.45 and 7,375,640.70 is: 11,063,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,202.30 : 12,481,803.45 = 7,375,640.70 : x
  2. Step 2: Convert to fraction form
    8,321,202.30/12,481,803.45 = 7,375,640.70/x
  3. Step 3: Cross multiply
    8,321,202.30x = 12,481,803.45 × 7,375,640.70
  4. Step 4: Simplify right side
    8,321,202.30x = 92,061,297,535,220.41
  5. Step 5: Solve for x
    x = 92,061,297,535,220.41/8,321,202.30
  6. Step 6: Final answer
    x = 11,063,461.05

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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.