Home / 27,933,972-38,527,042.82-18,147,569.37

Finding the Fourth Proportional to 27,933,972, 38,527,042.82 and 18,147,569.37

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Solution

The fourth proportional to 27,933,972, 38,527,042.82 and 18,147,569.37 is: 25,029,458.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,933,972 : 38,527,042.82 = 18,147,569.37 : x
  2. Step 2: Convert to fraction form
    27,933,972/38,527,042.82 = 18,147,569.37/x
  3. Step 3: Cross multiply
    27,933,972x = 38,527,042.82 × 18,147,569.37
  4. Step 4: Simplify right side
    27,933,972x = 699,172,182,106,172.62
  5. Step 5: Solve for x
    x = 699,172,182,106,172.62/27,933,972
  6. Step 6: Final answer
    x = 25,029,458.11

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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.