Home / 40,016,208.74-55,222,404.44-21,681,494.24

Finding the Fourth Proportional to 40,016,208.74, 55,222,404.44 and 21,681,494.24

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Solution

The fourth proportional to 40,016,208.74, 55,222,404.44 and 21,681,494.24 is: 29,920,481.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,016,208.74 : 55,222,404.44 = 21,681,494.24 : x
  2. Step 2: Convert to fraction form
    40,016,208.74/55,222,404.44 = 21,681,494.24/x
  3. Step 3: Cross multiply
    40,016,208.74x = 55,222,404.44 × 21,681,494.24
  4. Step 4: Simplify right side
    40,016,208.74x = 1,197,304,243,400,291
  5. Step 5: Solve for x
    x = 1,197,304,243,400,291/40,016,208.74
  6. Step 6: Final answer
    x = 29,920,481.76

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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.