Home / 7,859,969.37-11,789,954.06-2,180,193.67

Finding the Fourth Proportional to 7,859,969.37, 11,789,954.06 and 2,180,193.67

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Solution

The fourth proportional to 7,859,969.37, 11,789,954.06 and 2,180,193.67 is: 3,270,290.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859,969.37 : 11,789,954.06 = 2,180,193.67 : x
  2. Step 2: Convert to fraction form
    7,859,969.37/11,789,954.06 = 2,180,193.67/x
  3. Step 3: Cross multiply
    7,859,969.37x = 11,789,954.06 × 2,180,193.67
  4. Step 4: Simplify right side
    7,859,969.37x = 25,704,383,211,202.80
  5. Step 5: Solve for x
    x = 25,704,383,211,202.80/7,859,969.37
  6. Step 6: Final answer
    x = 3,270,290.51

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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.