Home / 29,313,032.20-43,969,548.30-20,809,976.20

Finding the Fourth Proportional to 29,313,032.20, 43,969,548.30 and 20,809,976.20

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Solution

The fourth proportional to 29,313,032.20, 43,969,548.30 and 20,809,976.20 is: 31,214,964.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,313,032.20 : 43,969,548.30 = 20,809,976.20 : x
  2. Step 2: Convert to fraction form
    29,313,032.20/43,969,548.30 = 20,809,976.20/x
  3. Step 3: Cross multiply
    29,313,032.20x = 43,969,548.30 × 20,809,976.20
  4. Step 4: Simplify right side
    29,313,032.20x = 915,005,253,647,750.38
  5. Step 5: Solve for x
    x = 915,005,253,647,750.38/29,313,032.20
  6. Step 6: Final answer
    x = 31,214,964.30

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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.