Home / 20,332,825.61-28,058,465.21-11,040,034.59

Finding the Fourth Proportional to 20,332,825.61, 28,058,465.21 and 11,040,034.59

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Solution

The fourth proportional to 20,332,825.61, 28,058,465.21 and 11,040,034.59 is: 15,234,794.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332,825.61 : 28,058,465.21 = 11,040,034.59 : x
  2. Step 2: Convert to fraction form
    20,332,825.61/28,058,465.21 = 11,040,034.59/x
  3. Step 3: Cross multiply
    20,332,825.61x = 28,058,465.21 × 11,040,034.59
  4. Step 4: Simplify right side
    20,332,825.61x = 309,766,426,405,511.44
  5. Step 5: Solve for x
    x = 309,766,426,405,511.44/20,332,825.61
  6. Step 6: Final answer
    x = 15,234,794.83

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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.