Home / 21,595,469.40-32,401,387.26-12,965,597.64

Finding the Fourth Proportional to 21,595,469.40, 32,401,387.26 and 12,965,597.64

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Solution

The fourth proportional to 21,595,469.40, 32,401,387.26 and 12,965,597.64 is: 19,453,309.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,595,469.40 : 32,401,387.26 = 12,965,597.64 : x
  2. Step 2: Convert to fraction form
    21,595,469.40/32,401,387.26 = 12,965,597.64/x
  3. Step 3: Cross multiply
    21,595,469.40x = 32,401,387.26 × 12,965,597.64
  4. Step 4: Simplify right side
    21,595,469.40x = 420,103,350,190,982.12
  5. Step 5: Solve for x
    x = 420,103,350,190,982.12/21,595,469.40
  6. Step 6: Final answer
    x = 19,453,309.51

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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.