Home / 21,871,591.42-30,183,049.46-12,081,832.80

Finding the Fourth Proportional to 21,871,591.42, 30,183,049.46 and 12,081,832.80

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Solution

The fourth proportional to 21,871,591.42, 30,183,049.46 and 12,081,832.80 is: 16,673,069.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,871,591.42 : 30,183,049.46 = 12,081,832.80 : x
  2. Step 2: Convert to fraction form
    21,871,591.42/30,183,049.46 = 12,081,832.80/x
  3. Step 3: Cross multiply
    21,871,591.42x = 30,183,049.46 × 12,081,832.80
  4. Step 4: Simplify right side
    21,871,591.42x = 364,666,556,969,850.31
  5. Step 5: Solve for x
    x = 364,666,556,969,850.31/21,871,591.42
  6. Step 6: Final answer
    x = 16,673,069.19

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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.