Home / 29,121,954.64-40,202,847.48-18,112,253.56

Finding the Fourth Proportional to 29,121,954.64, 40,202,847.48 and 18,112,253.56

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Solution

The fourth proportional to 29,121,954.64, 40,202,847.48 and 18,112,253.56 is: 25,003,959.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,121,954.64 : 40,202,847.48 = 18,112,253.56 : x
  2. Step 2: Convert to fraction form
    29,121,954.64/40,202,847.48 = 18,112,253.56/x
  3. Step 3: Cross multiply
    29,121,954.64x = 40,202,847.48 × 18,112,253.56
  4. Step 4: Simplify right side
    29,121,954.64x = 728,164,167,391,766.88
  5. Step 5: Solve for x
    x = 728,164,167,391,766.88/29,121,954.64
  6. Step 6: Final answer
    x = 25,003,959.26

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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.