Home / 12,216,255.24-18,321,354.78-4,129,051.08

Finding the Fourth Proportional to 12,216,255.24, 18,321,354.78 and 4,129,051.08

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Solution

The fourth proportional to 12,216,255.24, 18,321,354.78 and 4,129,051.08 is: 6,192,553.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216,255.24 : 18,321,354.78 = 4,129,051.08 : x
  2. Step 2: Convert to fraction form
    12,216,255.24/18,321,354.78 = 4,129,051.08/x
  3. Step 3: Cross multiply
    12,216,255.24x = 18,321,354.78 × 4,129,051.08
  4. Step 4: Simplify right side
    12,216,255.24x = 75,649,809,741,422.17
  5. Step 5: Solve for x
    x = 75,649,809,741,422.17/12,216,255.24
  6. Step 6: Final answer
    x = 6,192,553.14

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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.