Home / 40,505,290.12-55,897,825.38-22,170,181.96

Finding the Fourth Proportional to 40,505,290.12, 55,897,825.38 and 22,170,181.96

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Solution

The fourth proportional to 40,505,290.12, 55,897,825.38 and 22,170,181.96 is: 30,595,138.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,505,290.12 : 55,897,825.38 = 22,170,181.96 : x
  2. Step 2: Convert to fraction form
    40,505,290.12/55,897,825.38 = 22,170,181.96/x
  3. Step 3: Cross multiply
    40,505,290.12x = 55,897,825.38 × 22,170,181.96
  4. Step 4: Simplify right side
    40,505,290.12x = 1,239,264,959,842,906.25
  5. Step 5: Solve for x
    x = 1,239,264,959,842,906.25/40,505,290.12
  6. Step 6: Final answer
    x = 30,595,138.47

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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.