Home / 12,481,697.70-18,722,546.55-10,214,216.10

Finding the Fourth Proportional to 12,481,697.70, 18,722,546.55 and 10,214,216.10

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Solution

The fourth proportional to 12,481,697.70, 18,722,546.55 and 10,214,216.10 is: 15,321,324.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,697.70 : 18,722,546.55 = 10,214,216.10 : x
  2. Step 2: Convert to fraction form
    12,481,697.70/18,722,546.55 = 10,214,216.10/x
  3. Step 3: Cross multiply
    12,481,697.70x = 18,722,546.55 × 10,214,216.10
  4. Step 4: Simplify right side
    12,481,697.70x = 191,236,136,404,009.47
  5. Step 5: Solve for x
    x = 191,236,136,404,009.47/12,481,697.70
  6. Step 6: Final answer
    x = 15,321,324.15

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Double scale
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Similar ratio
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1.5x scale

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.