Home / 12,419,811.71-18,628,650.34-7,560,857.06

Finding the Fourth Proportional to 12,419,811.71, 18,628,650.34 and 7,560,857.06

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Solution

The fourth proportional to 12,419,811.71, 18,628,650.34 and 7,560,857.06 is: 11,340,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,419,811.71 : 18,628,650.34 = 7,560,857.06 : x
  2. Step 2: Convert to fraction form
    12,419,811.71/18,628,650.34 = 7,560,857.06/x
  3. Step 3: Cross multiply
    12,419,811.71x = 18,628,650.34 × 7,560,857.06
  4. Step 4: Simplify right side
    12,419,811.71x = 140,848,562,504,058.59
  5. Step 5: Solve for x
    x = 140,848,562,504,058.59/12,419,811.71
  6. Step 6: Final answer
    x = 11,340,635.90

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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.