Home / 20,629,544.65-30,945,344.82-7,851,039.73

Finding the Fourth Proportional to 20,629,544.65, 30,945,344.82 and 7,851,039.73

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Solution

The fourth proportional to 20,629,544.65, 30,945,344.82 and 7,851,039.73 is: 11,776,950.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629,544.65 : 30,945,344.82 = 7,851,039.73 : x
  2. Step 2: Convert to fraction form
    20,629,544.65/30,945,344.82 = 7,851,039.73/x
  3. Step 3: Cross multiply
    20,629,544.65x = 30,945,344.82 × 7,851,039.73
  4. Step 4: Simplify right side
    20,629,544.65x = 242,953,131,446,387.78
  5. Step 5: Solve for x
    x = 242,953,131,446,387.78/20,629,544.65
  6. Step 6: Final answer
    x = 11,776,950.76

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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.