Home / 9,986,449.65-13,728,397.71-8,585,851.44

Finding the Fourth Proportional to 9,986,449.65, 13,728,397.71 and 8,585,851.44

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Solution

The fourth proportional to 9,986,449.65, 13,728,397.71 and 8,585,851.44 is: 11,802,991.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986,449.65 : 13,728,397.71 = 8,585,851.44 : x
  2. Step 2: Convert to fraction form
    9,986,449.65/13,728,397.71 = 8,585,851.44/x
  3. Step 3: Cross multiply
    9,986,449.65x = 13,728,397.71 × 8,585,851.44
  4. Step 4: Simplify right side
    9,986,449.65x = 117,869,983,247,296.20
  5. Step 5: Solve for x
    x = 117,869,983,247,296.20/9,986,449.65
  6. Step 6: Final answer
    x = 11,802,991.79

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.