Home / 17,121,743.96-23,629,493.76-9,388,280.97

Finding the Fourth Proportional to 17,121,743.96, 23,629,493.76 and 9,388,280.97

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Solution

The fourth proportional to 17,121,743.96, 23,629,493.76 and 9,388,280.97 is: 12,956,643.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121,743.96 : 23,629,493.76 = 9,388,280.97 : x
  2. Step 2: Convert to fraction form
    17,121,743.96/23,629,493.76 = 9,388,280.97/x
  3. Step 3: Cross multiply
    17,121,743.96x = 23,629,493.76 × 9,388,280.97
  4. Step 4: Simplify right side
    17,121,743.96x = 221,840,326,597,741.78
  5. Step 5: Solve for x
    x = 221,840,326,597,741.78/17,121,743.96
  6. Step 6: Final answer
    x = 12,956,643.15

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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.