Home / 20,933,519.40-31,409,610.30-9,568,117.80

Finding the Fourth Proportional to 20,933,519.40, 31,409,610.30 and 9,568,117.80

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Solution

The fourth proportional to 20,933,519.40, 31,409,610.30 and 9,568,117.80 is: 14,356,441.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,933,519.40 : 31,409,610.30 = 9,568,117.80 : x
  2. Step 2: Convert to fraction form
    20,933,519.40/31,409,610.30 = 9,568,117.80/x
  3. Step 3: Cross multiply
    20,933,519.40x = 31,409,610.30 × 9,568,117.80
  4. Step 4: Simplify right side
    20,933,519.40x = 300,530,851,402,493.38
  5. Step 5: Solve for x
    x = 300,530,851,402,493.38/20,933,519.40
  6. Step 6: Final answer
    x = 14,356,441.73

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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.