Home / 6,820,638.84-9,412,560.30-3,764,856.12

Finding the Fourth Proportional to 6,820,638.84, 9,412,560.30 and 3,764,856.12

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Solution

The fourth proportional to 6,820,638.84, 9,412,560.30 and 3,764,856.12 is: 5,195,544.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820,638.84 : 9,412,560.30 = 3,764,856.12 : x
  2. Step 2: Convert to fraction form
    6,820,638.84/9,412,560.30 = 3,764,856.12/x
  3. Step 3: Cross multiply
    6,820,638.84x = 9,412,560.30 × 3,764,856.12
  4. Step 4: Simplify right side
    6,820,638.84x = 35,436,935,250,324.04
  5. Step 5: Solve for x
    x = 35,436,935,250,324.04/6,820,638.84
  6. Step 6: Final answer
    x = 5,195,544.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.