Home / 21,462,520.20-32,193,780.30-7,087,806.60

Finding the Fourth Proportional to 21,462,520.20, 32,193,780.30 and 7,087,806.60

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Solution

The fourth proportional to 21,462,520.20, 32,193,780.30 and 7,087,806.60 is: 10,631,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,462,520.20 : 32,193,780.30 = 7,087,806.60 : x
  2. Step 2: Convert to fraction form
    21,462,520.20/32,193,780.30 = 7,087,806.60/x
  3. Step 3: Cross multiply
    21,462,520.20x = 32,193,780.30 × 7,087,806.60
  4. Step 4: Simplify right side
    21,462,520.20x = 228,183,288,489,289.97
  5. Step 5: Solve for x
    x = 228,183,288,489,289.97/21,462,520.20
  6. Step 6: Final answer
    x = 10,631,709.90

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1.5x scale

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.