Home / 36,199,432.73-49,941,082.19-20,721,245.69

Finding the Fourth Proportional to 36,199,432.73, 49,941,082.19 and 20,721,245.69

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Solution

The fourth proportional to 36,199,432.73, 49,941,082.19 and 20,721,245.69 is: 28,587,227.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,199,432.73 : 49,941,082.19 = 20,721,245.69 : x
  2. Step 2: Convert to fraction form
    36,199,432.73/49,941,082.19 = 20,721,245.69/x
  3. Step 3: Cross multiply
    36,199,432.73x = 49,941,082.19 × 20,721,245.69
  4. Step 4: Simplify right side
    36,199,432.73x = 1,034,841,433,979,867.12
  5. Step 5: Solve for x
    x = 1,034,841,433,979,867.12/36,199,432.73
  6. Step 6: Final answer
    x = 28,587,227.92

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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.