Home / 18,467,998.20-27,701,997.30-5,004,826.20

Finding the Fourth Proportional to 18,467,998.20, 27,701,997.30 and 5,004,826.20

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Solution

The fourth proportional to 18,467,998.20, 27,701,997.30 and 5,004,826.20 is: 7,507,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,467,998.20 : 27,701,997.30 = 5,004,826.20 : x
  2. Step 2: Convert to fraction form
    18,467,998.20/27,701,997.30 = 5,004,826.20/x
  3. Step 3: Cross multiply
    18,467,998.20x = 27,701,997.30 × 5,004,826.20
  4. Step 4: Simplify right side
    18,467,998.20x = 138,643,681,879,369.27
  5. Step 5: Solve for x
    x = 138,643,681,879,369.27/18,467,998.20
  6. Step 6: Final answer
    x = 7,507,239.30

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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.