Home / 9,881,685.20-13,633,617-5,530,080.08

Finding the Fourth Proportional to 9,881,685.20, 13,633,617 and 5,530,080.08

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Solution

The fourth proportional to 9,881,685.20, 13,633,617 and 5,530,080.08 is: 7,629,770.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,881,685.20 : 13,633,617 = 5,530,080.08 : x
  2. Step 2: Convert to fraction form
    9,881,685.20/13,633,617 = 5,530,080.08/x
  3. Step 3: Cross multiply
    9,881,685.20x = 13,633,617 × 5,530,080.08
  4. Step 4: Simplify right side
    9,881,685.20x = 75,394,993,790,049.36
  5. Step 5: Solve for x
    x = 75,394,993,790,049.36/9,881,685.20
  6. Step 6: Final answer
    x = 7,629,770.86

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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.