Home / 10,428,131.87-15,622,021.36-5,865,317.22

Finding the Fourth Proportional to 10,428,131.87, 15,622,021.36 and 5,865,317.22

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Solution

The fourth proportional to 10,428,131.87, 15,622,021.36 and 5,865,317.22 is: 8,786,627.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428,131.87 : 15,622,021.36 = 5,865,317.22 : x
  2. Step 2: Convert to fraction form
    10,428,131.87/15,622,021.36 = 5,865,317.22/x
  3. Step 3: Cross multiply
    10,428,131.87x = 15,622,021.36 × 5,865,317.22
  4. Step 4: Simplify right side
    10,428,131.87x = 91,628,110,959,930.05
  5. Step 5: Solve for x
    x = 91,628,110,959,930.05/10,428,131.87
  6. Step 6: Final answer
    x = 8,786,627.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.