Home / 8,991,947.88-13,481,613.54-3,311,443.80

Finding the Fourth Proportional to 8,991,947.88, 13,481,613.54 and 3,311,443.80

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Solution

The fourth proportional to 8,991,947.88, 13,481,613.54 and 3,311,443.80 is: 4,964,842.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991,947.88 : 13,481,613.54 = 3,311,443.80 : x
  2. Step 2: Convert to fraction form
    8,991,947.88/13,481,613.54 = 3,311,443.80/x
  3. Step 3: Cross multiply
    8,991,947.88x = 13,481,613.54 × 3,311,443.80
  4. Step 4: Simplify right side
    8,991,947.88x = 44,643,605,571,029.05
  5. Step 5: Solve for x
    x = 44,643,605,571,029.05/8,991,947.88
  6. Step 6: Final answer
    x = 4,964,842.56

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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.