Home / 20,469,629.79-30,719,260.05-8,007,673.23

Finding the Fourth Proportional to 20,469,629.79, 30,719,260.05 and 8,007,673.23

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Solution

The fourth proportional to 20,469,629.79, 30,719,260.05 and 8,007,673.23 is: 12,017,305.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,469,629.79 : 30,719,260.05 = 8,007,673.23 : x
  2. Step 2: Convert to fraction form
    20,469,629.79/30,719,260.05 = 8,007,673.23/x
  3. Step 3: Cross multiply
    20,469,629.79x = 30,719,260.05 × 8,007,673.23
  4. Step 4: Simplify right side
    20,469,629.79x = 245,989,796,347,793.47
  5. Step 5: Solve for x
    x = 245,989,796,347,793.47/20,469,629.79
  6. Step 6: Final answer
    x = 12,017,305.58

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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.