Home / 21,560,320.80-32,340,481.20-13,907,570.40

Finding the Fourth Proportional to 21,560,320.80, 32,340,481.20 and 13,907,570.40

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Solution

The fourth proportional to 21,560,320.80, 32,340,481.20 and 13,907,570.40 is: 20,861,355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,560,320.80 : 32,340,481.20 = 13,907,570.40 : x
  2. Step 2: Convert to fraction form
    21,560,320.80/32,340,481.20 = 13,907,570.40/x
  3. Step 3: Cross multiply
    21,560,320.80x = 32,340,481.20 × 13,907,570.40
  4. Step 4: Simplify right side
    21,560,320.80x = 449,777,519,058,876.50
  5. Step 5: Solve for x
    x = 449,777,519,058,876.50/21,560,320.80
  6. Step 6: Final answer
    x = 20,861,355.60

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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.