Home / 13,115,138.54-18,100,192.34-9,801,678.02

Finding the Fourth Proportional to 13,115,138.54, 18,100,192.34 and 9,801,678.02

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Solution

The fourth proportional to 13,115,138.54, 18,100,192.34 and 9,801,678.02 is: 13,527,288.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115,138.54 : 18,100,192.34 = 9,801,678.02 : x
  2. Step 2: Convert to fraction form
    13,115,138.54/18,100,192.34 = 9,801,678.02/x
  3. Step 3: Cross multiply
    13,115,138.54x = 18,100,192.34 × 9,801,678.02
  4. Step 4: Simplify right side
    13,115,138.54x = 177,412,257,277,241.03
  5. Step 5: Solve for x
    x = 177,412,257,277,241.03/13,115,138.54
  6. Step 6: Final answer
    x = 13,527,288.09

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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.