Home / 9,882,879.15-13,628,791.38-7,706,628.26

Finding the Fourth Proportional to 9,882,879.15, 13,628,791.38 and 7,706,628.26

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Solution

The fourth proportional to 9,882,879.15, 13,628,791.38 and 7,706,628.26 is: 10,627,675.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,882,879.15 : 13,628,791.38 = 7,706,628.26 : x
  2. Step 2: Convert to fraction form
    9,882,879.15/13,628,791.38 = 7,706,628.26/x
  3. Step 3: Cross multiply
    9,882,879.15x = 13,628,791.38 × 7,706,628.26
  4. Step 4: Simplify right side
    9,882,879.15x = 105,032,028,810,616.27
  5. Step 5: Solve for x
    x = 105,032,028,810,616.27/9,882,879.15
  6. Step 6: Final answer
    x = 10,627,675.11

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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.