Home / 13,474,043.56-20,211,152.82-5,387,698.54

Finding the Fourth Proportional to 13,474,043.56, 20,211,152.82 and 5,387,698.54

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Solution

The fourth proportional to 13,474,043.56, 20,211,152.82 and 5,387,698.54 is: 8,081,582.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474,043.56 : 20,211,152.82 = 5,387,698.54 : x
  2. Step 2: Convert to fraction form
    13,474,043.56/20,211,152.82 = 5,387,698.54/x
  3. Step 3: Cross multiply
    13,474,043.56x = 20,211,152.82 × 5,387,698.54
  4. Step 4: Simplify right side
    13,474,043.56x = 108,891,598,540,030.89
  5. Step 5: Solve for x
    x = 108,891,598,540,030.89/13,474,043.56
  6. Step 6: Final answer
    x = 8,081,582.79

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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.