Home / 21,921,965.20-32,882,947.80-9,954,701.20

Finding the Fourth Proportional to 21,921,965.20, 32,882,947.80 and 9,954,701.20

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Solution

The fourth proportional to 21,921,965.20, 32,882,947.80 and 9,954,701.20 is: 14,932,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,921,965.20 : 32,882,947.80 = 9,954,701.20 : x
  2. Step 2: Convert to fraction form
    21,921,965.20/32,882,947.80 = 9,954,701.20/x
  3. Step 3: Cross multiply
    21,921,965.20x = 32,882,947.80 × 9,954,701.20
  4. Step 4: Simplify right side
    21,921,965.20x = 327,339,919,924,197.31
  5. Step 5: Solve for x
    x = 327,339,919,924,197.31/21,921,965.20
  6. Step 6: Final answer
    x = 14,932,051.80

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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.