Home / 8,231,179.12-12,342,728.49-4,071,775.12

Finding the Fourth Proportional to 8,231,179.12, 12,342,728.49 and 4,071,775.12

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Solution

The fourth proportional to 8,231,179.12, 12,342,728.49 and 4,071,775.12 is: 6,105,664.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231,179.12 : 12,342,728.49 = 4,071,775.12 : x
  2. Step 2: Convert to fraction form
    8,231,179.12/12,342,728.49 = 4,071,775.12/x
  3. Step 3: Cross multiply
    8,231,179.12x = 12,342,728.49 × 4,071,775.12
  4. Step 4: Simplify right side
    8,231,179.12x = 50,256,814,764,289.85
  5. Step 5: Solve for x
    x = 50,256,814,764,289.85/8,231,179.12
  6. Step 6: Final answer
    x = 6,105,664.09

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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.