Home / 12,529,242.20-18,795,936.90-5,344,218.20

Finding the Fourth Proportional to 12,529,242.20, 18,795,936.90 and 5,344,218.20

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Solution

The fourth proportional to 12,529,242.20, 18,795,936.90 and 5,344,218.20 is: 8,017,211.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529,242.20 : 18,795,936.90 = 5,344,218.20 : x
  2. Step 2: Convert to fraction form
    12,529,242.20/18,795,936.90 = 5,344,218.20/x
  3. Step 3: Cross multiply
    12,529,242.20x = 18,795,936.90 × 5,344,218.20
  4. Step 4: Simplify right side
    12,529,242.20x = 100,449,588,067,031.58
  5. Step 5: Solve for x
    x = 100,449,588,067,031.58/12,529,242.20
  6. Step 6: Final answer
    x = 8,017,211.77

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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.