Home / 20,419,865.99-30,611,259.97-10,187,855.27

Finding the Fourth Proportional to 20,419,865.99, 30,611,259.97 and 10,187,855.27

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Solution

The fourth proportional to 20,419,865.99, 30,611,259.97 and 10,187,855.27 is: 15,272,533.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,419,865.99 : 30,611,259.97 = 10,187,855.27 : x
  2. Step 2: Convert to fraction form
    20,419,865.99/30,611,259.97 = 10,187,855.27/x
  3. Step 3: Cross multiply
    20,419,865.99x = 30,611,259.97 × 10,187,855.27
  4. Step 4: Simplify right side
    20,419,865.99x = 311,863,086,206,704.50
  5. Step 5: Solve for x
    x = 311,863,086,206,704.50/20,419,865.99
  6. Step 6: Final answer
    x = 15,272,533.44

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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.