Home / 8,198,288.72-12,289,203.10-2,803,249.49

Finding the Fourth Proportional to 8,198,288.72, 12,289,203.10 and 2,803,249.49

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Solution

The fourth proportional to 8,198,288.72, 12,289,203.10 and 2,803,249.49 is: 4,202,060.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198,288.72 : 12,289,203.10 = 2,803,249.49 : x
  2. Step 2: Convert to fraction form
    8,198,288.72/12,289,203.10 = 2,803,249.49/x
  3. Step 3: Cross multiply
    8,198,288.72x = 12,289,203.10 × 2,803,249.49
  4. Step 4: Simplify right side
    8,198,288.72x = 34,449,702,346,296.30
  5. Step 5: Solve for x
    x = 34,449,702,346,296.30/8,198,288.72
  6. Step 6: Final answer
    x = 4,202,060.15

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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.