Home / 8,320,728.20-12,481,092.30-4,725,105.80

Finding the Fourth Proportional to 8,320,728.20, 12,481,092.30 and 4,725,105.80

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Solution

The fourth proportional to 8,320,728.20, 12,481,092.30 and 4,725,105.80 is: 7,087,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,728.20 : 12,481,092.30 = 4,725,105.80 : x
  2. Step 2: Convert to fraction form
    8,320,728.20/12,481,092.30 = 4,725,105.80/x
  3. Step 3: Cross multiply
    8,320,728.20x = 12,481,092.30 × 4,725,105.80
  4. Step 4: Simplify right side
    8,320,728.20x = 58,974,481,617,065.34
  5. Step 5: Solve for x
    x = 58,974,481,617,065.34/8,320,728.20
  6. Step 6: Final answer
    x = 7,087,658.70

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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.