Home / 12,805,661.12-19,199,959.17-7,051,104.61

Finding the Fourth Proportional to 12,805,661.12, 19,199,959.17 and 7,051,104.61

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Solution

The fourth proportional to 12,805,661.12, 19,199,959.17 and 7,051,104.61 is: 10,571,958.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805,661.12 : 19,199,959.17 = 7,051,104.61 : x
  2. Step 2: Convert to fraction form
    12,805,661.12/19,199,959.17 = 7,051,104.61/x
  3. Step 3: Cross multiply
    12,805,661.12x = 19,199,959.17 × 7,051,104.61
  4. Step 4: Simplify right side
    12,805,661.12x = 135,380,920,540,957.25
  5. Step 5: Solve for x
    x = 135,380,920,540,957.25/12,805,661.12
  6. Step 6: Final answer
    x = 10,571,958.71

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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.