Home / 18,521,009.28-25,554,375.72-10,682,917.92

Finding the Fourth Proportional to 18,521,009.28, 25,554,375.72 and 10,682,917.92

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Solution

The fourth proportional to 18,521,009.28, 25,554,375.72 and 10,682,917.92 is: 14,739,763.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521,009.28 : 25,554,375.72 = 10,682,917.92 : x
  2. Step 2: Convert to fraction form
    18,521,009.28/25,554,375.72 = 10,682,917.92/x
  3. Step 3: Cross multiply
    18,521,009.28x = 25,554,375.72 × 10,682,917.92
  4. Step 4: Simplify right side
    18,521,009.28x = 272,995,298,313,600.88
  5. Step 5: Solve for x
    x = 272,995,298,313,600.88/18,521,009.28
  6. Step 6: Final answer
    x = 14,739,763.59

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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.