Home / 34,399,791.79-47,471,680.68-18,929,876.43

Finding the Fourth Proportional to 34,399,791.79, 47,471,680.68 and 18,929,876.43

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Solution

The fourth proportional to 34,399,791.79, 47,471,680.68 and 18,929,876.43 is: 26,123,211.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,399,791.79 : 47,471,680.68 = 18,929,876.43 : x
  2. Step 2: Convert to fraction form
    34,399,791.79/47,471,680.68 = 18,929,876.43/x
  3. Step 3: Cross multiply
    34,399,791.79x = 47,471,680.68 × 18,929,876.43
  4. Step 4: Simplify right side
    34,399,791.79x = 898,633,049,143,302.50
  5. Step 5: Solve for x
    x = 898,633,049,143,302.50/34,399,791.79
  6. Step 6: Final answer
    x = 26,123,211.87

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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.