Home / 15,141,630.73-20,895,344.11-8,266,112.79

Finding the Fourth Proportional to 15,141,630.73, 20,895,344.11 and 8,266,112.79

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Solution

The fourth proportional to 15,141,630.73, 20,895,344.11 and 8,266,112.79 is: 11,407,177.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141,630.73 : 20,895,344.11 = 8,266,112.79 : x
  2. Step 2: Convert to fraction form
    15,141,630.73/20,895,344.11 = 8,266,112.79/x
  3. Step 3: Cross multiply
    15,141,630.73x = 20,895,344.11 × 8,266,112.79
  4. Step 4: Simplify right side
    15,141,630.73x = 172,723,271,199,122.16
  5. Step 5: Solve for x
    x = 172,723,271,199,122.16/15,141,630.73
  6. Step 6: Final answer
    x = 11,407,177.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.