Home / 8,100,002.80-12,151,753.80-2,420,801.20

Finding the Fourth Proportional to 8,100,002.80, 12,151,753.80 and 2,420,801.20

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Solution

The fourth proportional to 8,100,002.80, 12,151,753.80 and 2,420,801.20 is: 3,631,724.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100,002.80 : 12,151,753.80 = 2,420,801.20 : x
  2. Step 2: Convert to fraction form
    8,100,002.80/12,151,753.80 = 2,420,801.20/x
  3. Step 3: Cross multiply
    8,100,002.80x = 12,151,753.80 × 2,420,801.20
  4. Step 4: Simplify right side
    8,100,002.80x = 29,416,980,181,144.56
  5. Step 5: Solve for x
    x = 29,416,980,181,144.56/8,100,002.80
  6. Step 6: Final answer
    x = 3,631,724.69

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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.