Home / 12,219,521.27-18,345,301.00-8,194,021.77

Finding the Fourth Proportional to 12,219,521.27, 18,345,301.00 and 8,194,021.77

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Solution

The fourth proportional to 12,219,521.27, 18,345,301.00 and 8,194,021.77 is: 12,301,774.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,521.27 : 18,345,301.00 = 8,194,021.77 : x
  2. Step 2: Convert to fraction form
    12,219,521.27/18,345,301.00 = 8,194,021.77/x
  3. Step 3: Cross multiply
    12,219,521.27x = 18,345,301.00 × 8,194,021.77
  4. Step 4: Simplify right side
    12,219,521.27x = 150,321,795,730,232.66
  5. Step 5: Solve for x
    x = 150,321,795,730,232.66/12,219,521.27
  6. Step 6: Final answer
    x = 12,301,774.55

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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.