Home / 7,806,738.33-11,699,364.49-6,647,989.36

Finding the Fourth Proportional to 7,806,738.33, 11,699,364.49 and 6,647,989.36

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Solution

The fourth proportional to 7,806,738.33, 11,699,364.49 and 6,647,989.36 is: 9,962,835.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,806,738.33 : 11,699,364.49 = 6,647,989.36 : x
  2. Step 2: Convert to fraction form
    7,806,738.33/11,699,364.49 = 6,647,989.36/x
  3. Step 3: Cross multiply
    7,806,738.33x = 11,699,364.49 × 6,647,989.36
  4. Step 4: Simplify right side
    7,806,738.33x = 77,777,250,648,281.83
  5. Step 5: Solve for x
    x = 77,777,250,648,281.83/7,806,738.33
  6. Step 6: Final answer
    x = 9,962,835.61

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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.