Home / 13,842,481.20-20,763,721.80-3,745,102.20

Finding the Fourth Proportional to 13,842,481.20, 20,763,721.80 and 3,745,102.20

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Solution

The fourth proportional to 13,842,481.20, 20,763,721.80 and 3,745,102.20 is: 5,617,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842,481.20 : 20,763,721.80 = 3,745,102.20 : x
  2. Step 2: Convert to fraction form
    13,842,481.20/20,763,721.80 = 3,745,102.20/x
  3. Step 3: Cross multiply
    13,842,481.20x = 20,763,721.80 × 3,745,102.20
  4. Step 4: Simplify right side
    13,842,481.20x = 77,762,260,193,367.97
  5. Step 5: Solve for x
    x = 77,762,260,193,367.97/13,842,481.20
  6. Step 6: Final answer
    x = 5,617,653.30

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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.