Home / 7,859,972.35-11,789,958.54-2,180,196.67

Finding the Fourth Proportional to 7,859,972.35, 11,789,958.54 and 2,180,196.67

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Solution

The fourth proportional to 7,859,972.35, 11,789,958.54 and 2,180,196.67 is: 3,270,295.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859,972.35 : 11,789,958.54 = 2,180,196.67 : x
  2. Step 2: Convert to fraction form
    7,859,972.35/11,789,958.54 = 2,180,196.67/x
  3. Step 3: Cross multiply
    7,859,972.35x = 11,789,958.54 × 2,180,196.67
  4. Step 4: Simplify right side
    7,859,972.35x = 25,704,428,348,346.06
  5. Step 5: Solve for x
    x = 25,704,428,348,346.06/7,859,972.35
  6. Step 6: Final answer
    x = 3,270,295.01

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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.