Home / 18,190,664.72-27,289,149.16-7,413,828.56

Finding the Fourth Proportional to 18,190,664.72, 27,289,149.16 and 7,413,828.56

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Solution

The fourth proportional to 18,190,664.72, 27,289,149.16 and 7,413,828.56 is: 11,122,027.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190,664.72 : 27,289,149.16 = 7,413,828.56 : x
  2. Step 2: Convert to fraction form
    18,190,664.72/27,289,149.16 = 7,413,828.56/x
  3. Step 3: Cross multiply
    18,190,664.72x = 27,289,149.16 × 7,413,828.56
  4. Step 4: Simplify right side
    18,190,664.72x = 202,317,073,420,508
  5. Step 5: Solve for x
    x = 202,317,073,420,508/18,190,664.72
  6. Step 6: Final answer
    x = 11,122,027.51

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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.