Home / 10,279,673.88-15,408,660.06-3,449,771.16

Finding the Fourth Proportional to 10,279,673.88, 15,408,660.06 and 3,449,771.16

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Solution

The fourth proportional to 10,279,673.88, 15,408,660.06 and 3,449,771.16 is: 5,171,015.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279,673.88 : 15,408,660.06 = 3,449,771.16 : x
  2. Step 2: Convert to fraction form
    10,279,673.88/15,408,660.06 = 3,449,771.16/x
  3. Step 3: Cross multiply
    10,279,673.88x = 15,408,660.06 × 3,449,771.16
  4. Step 4: Simplify right side
    10,279,673.88x = 53,156,351,089,231.88
  5. Step 5: Solve for x
    x = 53,156,351,089,231.88/10,279,673.88
  6. Step 6: Final answer
    x = 5,171,015.32

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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.