Home / 13,467,121.56-18,584,090.82-7,586,618.76

Finding the Fourth Proportional to 13,467,121.56, 18,584,090.82 and 7,586,618.76

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Solution

The fourth proportional to 13,467,121.56, 18,584,090.82 and 7,586,618.76 is: 10,469,231.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,467,121.56 : 18,584,090.82 = 7,586,618.76 : x
  2. Step 2: Convert to fraction form
    13,467,121.56/18,584,090.82 = 7,586,618.76/x
  3. Step 3: Cross multiply
    13,467,121.56x = 18,584,090.82 × 7,586,618.76
  4. Step 4: Simplify right side
    13,467,121.56x = 140,990,412,052,555.78
  5. Step 5: Solve for x
    x = 140,990,412,052,555.78/13,467,121.56
  6. Step 6: Final answer
    x = 10,469,231.41

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Double scale
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1.5x scale

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.