Home / 13,022,268.57-17,971,651.31-7,221,605.85

Finding the Fourth Proportional to 13,022,268.57, 17,971,651.31 and 7,221,605.85

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Solution

The fourth proportional to 13,022,268.57, 17,971,651.31 and 7,221,605.85 is: 9,966,326.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022,268.57 : 17,971,651.31 = 7,221,605.85 : x
  2. Step 2: Convert to fraction form
    13,022,268.57/17,971,651.31 = 7,221,605.85/x
  3. Step 3: Cross multiply
    13,022,268.57x = 17,971,651.31 × 7,221,605.85
  4. Step 4: Simplify right side
    13,022,268.57x = 129,784,182,198,348.12
  5. Step 5: Solve for x
    x = 129,784,182,198,348.12/13,022,268.57
  6. Step 6: Final answer
    x = 9,966,326.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.