Home / 18,722,410.20-28,083,615.30-7,363,229.40

Finding the Fourth Proportional to 18,722,410.20, 28,083,615.30 and 7,363,229.40

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Solution

The fourth proportional to 18,722,410.20, 28,083,615.30 and 7,363,229.40 is: 11,044,844.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,410.20 : 28,083,615.30 = 7,363,229.40 : x
  2. Step 2: Convert to fraction form
    18,722,410.20/28,083,615.30 = 7,363,229.40/x
  3. Step 3: Cross multiply
    18,722,410.20x = 28,083,615.30 × 7,363,229.40
  4. Step 4: Simplify right side
    18,722,410.20x = 206,786,101,835,249.84
  5. Step 5: Solve for x
    x = 206,786,101,835,249.84/18,722,410.20
  6. Step 6: Final answer
    x = 11,044,844.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.