Home / 12,529,247.20-18,795,944.40-5,344,223.20

Finding the Fourth Proportional to 12,529,247.20, 18,795,944.40 and 5,344,223.20

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Solution

The fourth proportional to 12,529,247.20, 18,795,944.40 and 5,344,223.20 is: 8,017,219.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529,247.20 : 18,795,944.40 = 5,344,223.20 : x
  2. Step 2: Convert to fraction form
    12,529,247.20/18,795,944.40 = 5,344,223.20/x
  3. Step 3: Cross multiply
    12,529,247.20x = 18,795,944.40 × 5,344,223.20
  4. Step 4: Simplify right side
    12,529,247.20x = 100,449,722,128,390.08
  5. Step 5: Solve for x
    x = 100,449,722,128,390.08/12,529,247.20
  6. Step 6: Final answer
    x = 8,017,219.27

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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.