Home / 6,990,738.18-9,647,518.00-3,893,261.52

Finding the Fourth Proportional to 6,990,738.18, 9,647,518.00 and 3,893,261.52

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Solution

The fourth proportional to 6,990,738.18, 9,647,518.00 and 3,893,261.52 is: 5,372,867.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,738.18 : 9,647,518.00 = 3,893,261.52 : x
  2. Step 2: Convert to fraction form
    6,990,738.18/9,647,518.00 = 3,893,261.52/x
  3. Step 3: Cross multiply
    6,990,738.18x = 9,647,518.00 × 3,893,261.52
  4. Step 4: Simplify right side
    6,990,738.18x = 37,560,310,637,601.67
  5. Step 5: Solve for x
    x = 37,560,310,637,601.67/6,990,738.18
  6. Step 6: Final answer
    x = 5,372,867.59

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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.