Home / 14,667,043.20-21,991,816.80-8,991,340.80

Finding the Fourth Proportional to 14,667,043.20, 21,991,816.80 and 8,991,340.80

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Solution

The fourth proportional to 14,667,043.20, 21,991,816.80 and 8,991,340.80 is: 13,481,648.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,667,043.20 : 21,991,816.80 = 8,991,340.80 : x
  2. Step 2: Convert to fraction form
    14,667,043.20/21,991,816.80 = 8,991,340.80/x
  3. Step 3: Cross multiply
    14,667,043.20x = 21,991,816.80 × 8,991,340.80
  4. Step 4: Simplify right side
    14,667,043.20x = 197,735,919,659,965.47
  5. Step 5: Solve for x
    x = 197,735,919,659,965.47/14,667,043.20
  6. Step 6: Final answer
    x = 13,481,648.41

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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.