Home / 18,981,080.37-26,193,760.49-10,279,053.84

Finding the Fourth Proportional to 18,981,080.37, 26,193,760.49 and 10,279,053.84

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Solution

The fourth proportional to 18,981,080.37, 26,193,760.49 and 10,279,053.84 is: 14,185,023.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,981,080.37 : 26,193,760.49 = 10,279,053.84 : x
  2. Step 2: Convert to fraction form
    18,981,080.37/26,193,760.49 = 10,279,053.84/x
  3. Step 3: Cross multiply
    18,981,080.37x = 26,193,760.49 × 10,279,053.84
  4. Step 4: Simplify right side
    18,981,080.37x = 269,247,074,297,379.50
  5. Step 5: Solve for x
    x = 269,247,074,297,379.50/18,981,080.37
  6. Step 6: Final answer
    x = 14,185,023.67

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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.