Home / 7,760,286.80-11,641,842.56-2,642,455.16

Finding the Fourth Proportional to 7,760,286.80, 11,641,842.56 and 2,642,455.16

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Solution

The fourth proportional to 7,760,286.80, 11,641,842.56 and 2,642,455.16 is: 3,964,163.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760,286.80 : 11,641,842.56 = 2,642,455.16 : x
  2. Step 2: Convert to fraction form
    7,760,286.80/11,641,842.56 = 2,642,455.16/x
  3. Step 3: Cross multiply
    7,760,286.80x = 11,641,842.56 × 2,642,455.16
  4. Step 4: Simplify right side
    7,760,286.80x = 30,763,046,944,579.61
  5. Step 5: Solve for x
    x = 30,763,046,944,579.61/7,760,286.80
  6. Step 6: Final answer
    x = 3,964,163.66

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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.