Home / 18,940,306.92-26,135,673.08-13,981,386.48

Finding the Fourth Proportional to 18,940,306.92, 26,135,673.08 and 13,981,386.48

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Solution

The fourth proportional to 18,940,306.92, 26,135,673.08 and 13,981,386.48 is: 19,292,873.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,940,306.92 : 26,135,673.08 = 13,981,386.48 : x
  2. Step 2: Convert to fraction form
    18,940,306.92/26,135,673.08 = 13,981,386.48/x
  3. Step 3: Cross multiply
    18,940,306.92x = 26,135,673.08 × 13,981,386.48
  4. Step 4: Simplify right side
    18,940,306.92x = 365,412,946,246,411.94
  5. Step 5: Solve for x
    x = 365,412,946,246,411.94/18,940,306.92
  6. Step 6: Final answer
    x = 19,292,873.54

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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.