Home / 6,986,101.96-9,640,819.26-3,888,558.52

Finding the Fourth Proportional to 6,986,101.96, 9,640,819.26 and 3,888,558.52

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Solution

The fourth proportional to 6,986,101.96, 9,640,819.26 and 3,888,558.52 is: 5,366,209.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986,101.96 : 9,640,819.26 = 3,888,558.52 : x
  2. Step 2: Convert to fraction form
    6,986,101.96/9,640,819.26 = 3,888,558.52/x
  3. Step 3: Cross multiply
    6,986,101.96x = 9,640,819.26 × 3,888,558.52
  4. Step 4: Simplify right side
    6,986,101.96x = 37,488,889,873,253.09
  5. Step 5: Solve for x
    x = 37,488,889,873,253.09/6,986,101.96
  6. Step 6: Final answer
    x = 5,366,209.95

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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.