Home / 6,789,588.88-9,369,879-3,889,540.24

Finding the Fourth Proportional to 6,789,588.88, 9,369,879 and 3,889,540.24

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Solution

The fourth proportional to 6,789,588.88, 9,369,879 and 3,889,540.24 is: 5,367,706.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789,588.88 : 9,369,879 = 3,889,540.24 : x
  2. Step 2: Convert to fraction form
    6,789,588.88/9,369,879 = 3,889,540.24/x
  3. Step 3: Cross multiply
    6,789,588.88x = 9,369,879 × 3,889,540.24
  4. Step 4: Simplify right side
    6,789,588.88x = 36,444,521,414,430.96
  5. Step 5: Solve for x
    x = 36,444,521,414,430.96/6,789,588.88
  6. Step 6: Final answer
    x = 5,367,706.65

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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.