Home / 8,320,915.80-12,481,373.70-8,002,051.20

Finding the Fourth Proportional to 8,320,915.80, 12,481,373.70 and 8,002,051.20

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Solution

The fourth proportional to 8,320,915.80, 12,481,373.70 and 8,002,051.20 is: 12,003,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,915.80 : 12,481,373.70 = 8,002,051.20 : x
  2. Step 2: Convert to fraction form
    8,320,915.80/12,481,373.70 = 8,002,051.20/x
  3. Step 3: Cross multiply
    8,320,915.80x = 12,481,373.70 × 8,002,051.20
  4. Step 4: Simplify right side
    8,320,915.80x = 99,876,591,393,733.44
  5. Step 5: Solve for x
    x = 99,876,591,393,733.44/8,320,915.80
  6. Step 6: Final answer
    x = 12,003,076.80

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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.