Home / 17,128,198.86-23,634,736.54-9,786,507.30

Finding the Fourth Proportional to 17,128,198.86, 23,634,736.54 and 9,786,507.30

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Solution

The fourth proportional to 17,128,198.86, 23,634,736.54 and 9,786,507.30 is: 13,504,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,128,198.86 : 23,634,736.54 = 9,786,507.30 : x
  2. Step 2: Convert to fraction form
    17,128,198.86/23,634,736.54 = 9,786,507.30/x
  3. Step 3: Cross multiply
    17,128,198.86x = 23,634,736.54 × 9,786,507.30
  4. Step 4: Simplify right side
    17,128,198.86x = 231,301,521,682,286.75
  5. Step 5: Solve for x
    x = 231,301,521,682,286.75/17,128,198.86
  6. Step 6: Final answer
    x = 13,504,135.70

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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.