Home / 40,016,062.32-55,222,202.86-21,681,347.82

Finding the Fourth Proportional to 40,016,062.32, 55,222,202.86 and 21,681,347.82

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Solution

The fourth proportional to 40,016,062.32, 55,222,202.86 and 21,681,347.82 is: 29,920,279.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,016,062.32 : 55,222,202.86 = 21,681,347.82 : x
  2. Step 2: Convert to fraction form
    40,016,062.32/55,222,202.86 = 21,681,347.82/x
  3. Step 3: Cross multiply
    40,016,062.32x = 55,222,202.86 × 21,681,347.82
  4. Step 4: Simplify right side
    40,016,062.32x = 1,197,291,787,332,972.25
  5. Step 5: Solve for x
    x = 1,197,291,787,332,972.25/40,016,062.32
  6. Step 6: Final answer
    x = 29,920,279.96

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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.