Home / 21,285,231.96-29,373,621.90-11,627,439.96

Finding the Fourth Proportional to 21,285,231.96, 29,373,621.90 and 11,627,439.96

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Solution

The fourth proportional to 21,285,231.96, 29,373,621.90 and 11,627,439.96 is: 16,045,868.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,285,231.96 : 29,373,621.90 = 11,627,439.96 : x
  2. Step 2: Convert to fraction form
    21,285,231.96/29,373,621.90 = 11,627,439.96/x
  3. Step 3: Cross multiply
    21,285,231.96x = 29,373,621.90 × 11,627,439.96
  4. Step 4: Simplify right side
    21,285,231.96x = 341,540,025,049,991.12
  5. Step 5: Solve for x
    x = 341,540,025,049,991.12/21,285,231.96
  6. Step 6: Final answer
    x = 16,045,868.13

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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.