Home / 10,412,721.14-15,629,156.91-5,025,164.09

Finding the Fourth Proportional to 10,412,721.14, 15,629,156.91 and 5,025,164.09

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Solution

The fourth proportional to 10,412,721.14, 15,629,156.91 and 5,025,164.09 is: 7,542,608.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412,721.14 : 15,629,156.91 = 5,025,164.09 : x
  2. Step 2: Convert to fraction form
    10,412,721.14/15,629,156.91 = 5,025,164.09/x
  3. Step 3: Cross multiply
    10,412,721.14x = 15,629,156.91 × 5,025,164.09
  4. Step 4: Simplify right side
    10,412,721.14x = 78,539,077,982,961.58
  5. Step 5: Solve for x
    x = 78,539,077,982,961.58/10,412,721.14
  6. Step 6: Final answer
    x = 7,542,608.41

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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.