Home / 18,394,160.57-27,590,323.70-6,878,781.24

Finding the Fourth Proportional to 18,394,160.57, 27,590,323.70 and 6,878,781.24

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Solution

The fourth proportional to 18,394,160.57, 27,590,323.70 and 6,878,781.24 is: 10,317,828.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394,160.57 : 27,590,323.70 = 6,878,781.24 : x
  2. Step 2: Convert to fraction form
    18,394,160.57/27,590,323.70 = 6,878,781.24/x
  3. Step 3: Cross multiply
    18,394,160.57x = 27,590,323.70 × 6,878,781.24
  4. Step 4: Simplify right side
    18,394,160.57x = 189,787,801,073,087.38
  5. Step 5: Solve for x
    x = 189,787,801,073,087.38/18,394,160.57
  6. Step 6: Final answer
    x = 10,317,828.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.