Home / 19,318,102.72-28,981,335.84-5,855,945.92

Finding the Fourth Proportional to 19,318,102.72, 28,981,335.84 and 5,855,945.92

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Solution

The fourth proportional to 19,318,102.72, 28,981,335.84 and 5,855,945.92 is: 8,785,186.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318,102.72 : 28,981,335.84 = 5,855,945.92 : x
  2. Step 2: Convert to fraction form
    19,318,102.72/28,981,335.84 = 5,855,945.92/x
  3. Step 3: Cross multiply
    19,318,102.72x = 28,981,335.84 × 5,855,945.92
  4. Step 4: Simplify right side
    19,318,102.72x = 169,713,135,368,397.78
  5. Step 5: Solve for x
    x = 169,713,135,368,397.78/19,318,102.72
  6. Step 6: Final answer
    x = 8,785,186.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.