Home / 20,994,163.82-31,491,218.33-5,641,453.69

Finding the Fourth Proportional to 20,994,163.82, 31,491,218.33 and 5,641,453.69

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Solution

The fourth proportional to 20,994,163.82, 31,491,218.33 and 5,641,453.69 is: 8,462,173.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,994,163.82 : 31,491,218.33 = 5,641,453.69 : x
  2. Step 2: Convert to fraction form
    20,994,163.82/31,491,218.33 = 5,641,453.69/x
  3. Step 3: Cross multiply
    20,994,163.82x = 31,491,218.33 × 5,641,453.69
  4. Step 4: Simplify right side
    20,994,163.82x = 177,656,249,785,749.72
  5. Step 5: Solve for x
    x = 177,656,249,785,749.72/20,994,163.82
  6. Step 6: Final answer
    x = 8,462,173.17

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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.