Home / 20,994,163.07-31,491,217.21-5,641,452.93

Finding the Fourth Proportional to 20,994,163.07, 31,491,217.21 and 5,641,452.93

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Solution

The fourth proportional to 20,994,163.07, 31,491,217.21 and 5,641,452.93 is: 8,462,172.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,994,163.07 : 31,491,217.21 = 5,641,452.93 : x
  2. Step 2: Convert to fraction form
    20,994,163.07/31,491,217.21 = 5,641,452.93/x
  3. Step 3: Cross multiply
    20,994,163.07x = 31,491,217.21 × 5,641,452.93
  4. Step 4: Simplify right side
    20,994,163.07x = 177,656,219,713,187.09
  5. Step 5: Solve for x
    x = 177,656,219,713,187.09/20,994,163.07
  6. Step 6: Final answer
    x = 8,462,172.04

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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.