Home / 40,414,820.22-55,772,474.29-21,829,960.26

Finding the Fourth Proportional to 40,414,820.22, 55,772,474.29 and 21,829,960.26

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Solution

The fourth proportional to 40,414,820.22, 55,772,474.29 and 21,829,960.26 is: 30,125,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,414,820.22 : 55,772,474.29 = 21,829,960.26 : x
  2. Step 2: Convert to fraction form
    40,414,820.22/55,772,474.29 = 21,829,960.26/x
  3. Step 3: Cross multiply
    40,414,820.22x = 55,772,474.29 × 21,829,960.26
  4. Step 4: Simplify right side
    40,414,820.22x = 1,217,510,897,297,997
  5. Step 5: Solve for x
    x = 1,217,510,897,297,997/40,414,820.22
  6. Step 6: Final answer
    x = 30,125,357.25

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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.