Home / 18,765,131.14-25,882,528.54-17,221,379.09

Finding the Fourth Proportional to 18,765,131.14, 25,882,528.54 and 17,221,379.09

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Solution

The fourth proportional to 18,765,131.14, 25,882,528.54 and 17,221,379.09 is: 23,753,249.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,765,131.14 : 25,882,528.54 = 17,221,379.09 : x
  2. Step 2: Convert to fraction form
    18,765,131.14/25,882,528.54 = 17,221,379.09/x
  3. Step 3: Cross multiply
    18,765,131.14x = 25,882,528.54 × 17,221,379.09
  4. Step 4: Simplify right side
    18,765,131.14x = 445,732,835,873,305
  5. Step 5: Solve for x
    x = 445,732,835,873,305/18,765,131.14
  6. Step 6: Final answer
    x = 23,753,249.19

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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.