Home / 8,040,736.80-12,061,105.20-7,505,359.20

Finding the Fourth Proportional to 8,040,736.80, 12,061,105.20 and 7,505,359.20

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Solution

The fourth proportional to 8,040,736.80, 12,061,105.20 and 7,505,359.20 is: 11,258,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,040,736.80 : 12,061,105.20 = 7,505,359.20 : x
  2. Step 2: Convert to fraction form
    8,040,736.80/12,061,105.20 = 7,505,359.20/x
  3. Step 3: Cross multiply
    8,040,736.80x = 12,061,105.20 × 7,505,359.20
  4. Step 4: Simplify right side
    8,040,736.80x = 90,522,926,874,987.84
  5. Step 5: Solve for x
    x = 90,522,926,874,987.84/8,040,736.80
  6. Step 6: Final answer
    x = 11,258,038.80

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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.