Home / 6,789,829.30-9,370,057.26-3,889,218.58

Finding the Fourth Proportional to 6,789,829.30, 9,370,057.26 and 3,889,218.58

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Solution

The fourth proportional to 6,789,829.30, 9,370,057.26 and 3,889,218.58 is: 5,367,174.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789,829.30 : 9,370,057.26 = 3,889,218.58 : x
  2. Step 2: Convert to fraction form
    6,789,829.30/9,370,057.26 = 3,889,218.58/x
  3. Step 3: Cross multiply
    6,789,829.30x = 9,370,057.26 × 3,889,218.58
  4. Step 4: Simplify right side
    6,789,829.30x = 36,442,200,791,255.89
  5. Step 5: Solve for x
    x = 36,442,200,791,255.89/6,789,829.30
  6. Step 6: Final answer
    x = 5,367,174.81

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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.