Home / 12,219,524.15-18,345,305.30-8,194,024.64

Finding the Fourth Proportional to 12,219,524.15, 18,345,305.30 and 8,194,024.64

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Solution

The fourth proportional to 12,219,524.15, 18,345,305.30 and 8,194,024.64 is: 12,301,778.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,524.15 : 18,345,305.30 = 8,194,024.64 : x
  2. Step 2: Convert to fraction form
    12,219,524.15/18,345,305.30 = 8,194,024.64/x
  3. Step 3: Cross multiply
    12,219,524.15x = 18,345,305.30 × 8,194,024.64
  4. Step 4: Simplify right side
    12,219,524.15x = 150,321,883,707,507.12
  5. Step 5: Solve for x
    x = 150,321,883,707,507.12/12,219,524.15
  6. Step 6: Final answer
    x = 12,301,778.85

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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.