Home / 10,365,540.74-15,548,311.10-5,313,629.06

Finding the Fourth Proportional to 10,365,540.74, 15,548,311.10 and 5,313,629.06

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Solution

The fourth proportional to 10,365,540.74, 15,548,311.10 and 5,313,629.06 is: 7,970,443.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365,540.74 : 15,548,311.10 = 5,313,629.06 : x
  2. Step 2: Convert to fraction form
    10,365,540.74/15,548,311.10 = 5,313,629.06/x
  3. Step 3: Cross multiply
    10,365,540.74x = 15,548,311.10 × 5,313,629.06
  4. Step 4: Simplify right side
    10,365,540.74x = 82,617,957,694,880.56
  5. Step 5: Solve for x
    x = 82,617,957,694,880.56/10,365,540.74
  6. Step 6: Final answer
    x = 7,970,443.58

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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.