Home / 36,538,921.97-50,423,711.21-20,019,672.40

Finding the Fourth Proportional to 36,538,921.97, 50,423,711.21 and 20,019,672.40

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Solution

The fourth proportional to 36,538,921.97, 50,423,711.21 and 20,019,672.40 is: 27,627,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,538,921.97 : 50,423,711.21 = 20,019,672.40 : x
  2. Step 2: Convert to fraction form
    36,538,921.97/50,423,711.21 = 20,019,672.40/x
  3. Step 3: Cross multiply
    36,538,921.97x = 50,423,711.21 × 20,019,672.40
  4. Step 4: Simplify right side
    36,538,921.97x = 1,009,466,179,616,407.50
  5. Step 5: Solve for x
    x = 1,009,466,179,616,407.50/36,538,921.97
  6. Step 6: Final answer
    x = 27,627,147.30

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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.