Home / 12,219,520.77-18,345,300.24-8,194,021.27

Finding the Fourth Proportional to 12,219,520.77, 18,345,300.24 and 8,194,021.27

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Solution

The fourth proportional to 12,219,520.77, 18,345,300.24 and 8,194,021.27 is: 12,301,773.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,520.77 : 18,345,300.24 = 8,194,021.27 : x
  2. Step 2: Convert to fraction form
    12,219,520.77/18,345,300.24 = 8,194,021.27/x
  3. Step 3: Cross multiply
    12,219,520.77x = 18,345,300.24 × 8,194,021.27
  4. Step 4: Simplify right side
    12,219,520.77x = 150,321,780,355,960.44
  5. Step 5: Solve for x
    x = 150,321,780,355,960.44/12,219,520.77
  6. Step 6: Final answer
    x = 12,301,773.79

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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.