Home / 18,981,081.41-26,193,761.90-10,279,054.89

Finding the Fourth Proportional to 18,981,081.41, 26,193,761.90 and 10,279,054.89

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Solution

The fourth proportional to 18,981,081.41, 26,193,761.90 and 10,279,054.89 is: 14,185,025.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,981,081.41 : 26,193,761.90 = 10,279,054.89 : x
  2. Step 2: Convert to fraction form
    18,981,081.41/26,193,761.90 = 10,279,054.89/x
  3. Step 3: Cross multiply
    18,981,081.41x = 26,193,761.90 × 10,279,054.89
  4. Step 4: Simplify right side
    18,981,081.41x = 269,247,116,288,063.56
  5. Step 5: Solve for x
    x = 269,247,116,288,063.56/18,981,081.41
  6. Step 6: Final answer
    x = 14,185,025.10

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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.