Home / 40,504,254.89-55,896,042.10-21,919,395.90

Finding the Fourth Proportional to 40,504,254.89, 55,896,042.10 and 21,919,395.90

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Solution

The fourth proportional to 40,504,254.89, 55,896,042.10 and 21,919,395.90 is: 30,248,858.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,504,254.89 : 55,896,042.10 = 21,919,395.90 : x
  2. Step 2: Convert to fraction form
    40,504,254.89/55,896,042.10 = 21,919,395.90/x
  3. Step 3: Cross multiply
    40,504,254.89x = 55,896,042.10 × 21,919,395.90
  4. Step 4: Simplify right side
    40,504,254.89x = 1,225,207,476,187,779
  5. Step 5: Solve for x
    x = 1,225,207,476,187,779/40,504,254.89
  6. Step 6: Final answer
    x = 30,248,858.53

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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.