Home / 18,432,847.89-27,646,844.27-5,478,722.01

Finding the Fourth Proportional to 18,432,847.89, 27,646,844.27 and 5,478,722.01

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Solution

The fourth proportional to 18,432,847.89, 27,646,844.27 and 5,478,722.01 is: 8,217,361.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432,847.89 : 27,646,844.27 = 5,478,722.01 : x
  2. Step 2: Convert to fraction form
    18,432,847.89/27,646,844.27 = 5,478,722.01/x
  3. Step 3: Cross multiply
    18,432,847.89x = 27,646,844.27 × 5,478,722.01
  4. Step 4: Simplify right side
    18,432,847.89x = 151,469,374,181,697.78
  5. Step 5: Solve for x
    x = 151,469,374,181,697.78/18,432,847.89
  6. Step 6: Final answer
    x = 8,217,361.48

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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.