Home / 7,642,843.24-11,455,573.58-3,993,947.20

Finding the Fourth Proportional to 7,642,843.24, 11,455,573.58 and 3,993,947.20

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Solution

The fourth proportional to 7,642,843.24, 11,455,573.58 and 3,993,947.20 is: 5,986,378.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642,843.24 : 11,455,573.58 = 3,993,947.20 : x
  2. Step 2: Convert to fraction form
    7,642,843.24/11,455,573.58 = 3,993,947.20/x
  3. Step 3: Cross multiply
    7,642,843.24x = 11,455,573.58 × 3,993,947.20
  4. Step 4: Simplify right side
    7,642,843.24x = 45,752,956,024,234.98
  5. Step 5: Solve for x
    x = 45,752,956,024,234.98/7,642,843.24
  6. Step 6: Final answer
    x = 5,986,378.97

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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.