Home / 18,453,947.28-25,465,953.66-10,193,831.79

Finding the Fourth Proportional to 18,453,947.28, 25,465,953.66 and 10,193,831.79

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Solution

The fourth proportional to 18,453,947.28, 25,465,953.66 and 10,193,831.79 is: 14,067,215.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453,947.28 : 25,465,953.66 = 10,193,831.79 : x
  2. Step 2: Convert to fraction form
    18,453,947.28/25,465,953.66 = 10,193,831.79/x
  3. Step 3: Cross multiply
    18,453,947.28x = 25,465,953.66 × 10,193,831.79
  4. Step 4: Simplify right side
    18,453,947.28x = 259,595,647,981,974.84
  5. Step 5: Solve for x
    x = 259,595,647,981,974.84/18,453,947.28
  6. Step 6: Final answer
    x = 14,067,215.22

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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.