Home / 19,933,840-29,897,727.36-5,555,393.92

Finding the Fourth Proportional to 19,933,840, 29,897,727.36 and 5,555,393.92

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Solution

The fourth proportional to 19,933,840, 29,897,727.36 and 5,555,393.92 is: 8,332,245.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933,840 : 29,897,727.36 = 5,555,393.92 : x
  2. Step 2: Convert to fraction form
    19,933,840/29,897,727.36 = 5,555,393.92/x
  3. Step 3: Cross multiply
    19,933,840x = 29,897,727.36 × 5,555,393.92
  4. Step 4: Simplify right side
    19,933,840x = 166,093,652,797,561.66
  5. Step 5: Solve for x
    x = 166,093,652,797,561.66/19,933,840
  6. Step 6: Final answer
    x = 8,332,245.71

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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.