Home / 40,164,987.26-55,428,851.59-22,760,753.78

Finding the Fourth Proportional to 40,164,987.26, 55,428,851.59 and 22,760,753.78

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Solution

The fourth proportional to 40,164,987.26, 55,428,851.59 and 22,760,753.78 is: 31,410,502.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,164,987.26 : 55,428,851.59 = 22,760,753.78 : x
  2. Step 2: Convert to fraction form
    40,164,987.26/55,428,851.59 = 22,760,753.78/x
  3. Step 3: Cross multiply
    40,164,987.26x = 55,428,851.59 × 22,760,753.78
  4. Step 4: Simplify right side
    40,164,987.26x = 1,261,602,443,246,063.75
  5. Step 5: Solve for x
    x = 1,261,602,443,246,063.75/40,164,987.26
  6. Step 6: Final answer
    x = 31,410,502.76

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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.