Home / 18,122,650.80-27,183,976.20-7,345,114.80

Finding the Fourth Proportional to 18,122,650.80, 27,183,976.20 and 7,345,114.80

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Solution

The fourth proportional to 18,122,650.80, 27,183,976.20 and 7,345,114.80 is: 11,017,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122,650.80 : 27,183,976.20 = 7,345,114.80 : x
  2. Step 2: Convert to fraction form
    18,122,650.80/27,183,976.20 = 7,345,114.80/x
  3. Step 3: Cross multiply
    18,122,650.80x = 27,183,976.20 × 7,345,114.80
  4. Step 4: Simplify right side
    18,122,650.80x = 199,669,425,909,467.75
  5. Step 5: Solve for x
    x = 199,669,425,909,467.75/18,122,650.80
  6. Step 6: Final answer
    x = 11,017,672.20

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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.