Home / 15,019,442.52-20,727,238.23-8,494,047.78

Finding the Fourth Proportional to 15,019,442.52, 20,727,238.23 and 8,494,047.78

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Solution

The fourth proportional to 15,019,442.52, 20,727,238.23 and 8,494,047.78 is: 11,722,016.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019,442.52 : 20,727,238.23 = 8,494,047.78 : x
  2. Step 2: Convert to fraction form
    15,019,442.52/20,727,238.23 = 8,494,047.78/x
  3. Step 3: Cross multiply
    15,019,442.52x = 20,727,238.23 × 8,494,047.78
  4. Step 4: Simplify right side
    15,019,442.52x = 176,058,151,873,062.62
  5. Step 5: Solve for x
    x = 176,058,151,873,062.62/15,019,442.52
  6. Step 6: Final answer
    x = 11,722,016.42

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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.