Home / 40,392,128.34-55,745,921.79-22,751,611.38

Finding the Fourth Proportional to 40,392,128.34, 55,745,921.79 and 22,751,611.38

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Solution

The fourth proportional to 40,392,128.34, 55,745,921.79 and 22,751,611.38 is: 31,399,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,392,128.34 : 55,745,921.79 = 22,751,611.38 : x
  2. Step 2: Convert to fraction form
    40,392,128.34/55,745,921.79 = 22,751,611.38/x
  3. Step 3: Cross multiply
    40,392,128.34x = 55,745,921.79 × 22,751,611.38
  4. Step 4: Simplify right side
    40,392,128.34x = 1,268,309,548,585,954
  5. Step 5: Solve for x
    x = 1,268,309,548,585,954/40,392,128.34
  6. Step 6: Final answer
    x = 31,399,918.76

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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.