Home / 10,647,205.70-15,970,808.55-7,245,983.30

Finding the Fourth Proportional to 10,647,205.70, 15,970,808.55 and 7,245,983.30

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Solution

The fourth proportional to 10,647,205.70, 15,970,808.55 and 7,245,983.30 is: 10,868,974.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,205.70 : 15,970,808.55 = 7,245,983.30 : x
  2. Step 2: Convert to fraction form
    10,647,205.70/15,970,808.55 = 7,245,983.30/x
  3. Step 3: Cross multiply
    10,647,205.70x = 15,970,808.55 × 7,245,983.30
  4. Step 4: Simplify right side
    10,647,205.70x = 115,724,212,040,797.22
  5. Step 5: Solve for x
    x = 115,724,212,040,797.22/10,647,205.70
  6. Step 6: Final answer
    x = 10,868,974.95

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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.