Home / 36,005,563.92-49,687,988.02-20,536,431.78

Finding the Fourth Proportional to 36,005,563.92, 49,687,988.02 and 20,536,431.78

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Solution

The fourth proportional to 36,005,563.92, 49,687,988.02 and 20,536,431.78 is: 28,340,452.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,005,563.92 : 49,687,988.02 = 20,536,431.78 : x
  2. Step 2: Convert to fraction form
    36,005,563.92/49,687,988.02 = 20,536,431.78/x
  3. Step 3: Cross multiply
    36,005,563.92x = 49,687,988.02 × 20,536,431.78
  4. Step 4: Simplify right side
    36,005,563.92x = 1,020,413,976,258,187.38
  5. Step 5: Solve for x
    x = 1,020,413,976,258,187.38/36,005,563.92
  6. Step 6: Final answer
    x = 28,340,452.56

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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.