Home / 13,580,351.38-18,741,239.49-7,468,940.26

Finding the Fourth Proportional to 13,580,351.38, 18,741,239.49 and 7,468,940.26

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Solution

The fourth proportional to 13,580,351.38, 18,741,239.49 and 7,468,940.26 is: 10,307,332.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580,351.38 : 18,741,239.49 = 7,468,940.26 : x
  2. Step 2: Convert to fraction form
    13,580,351.38/18,741,239.49 = 7,468,940.26/x
  3. Step 3: Cross multiply
    13,580,351.38x = 18,741,239.49 × 7,468,940.26
  4. Step 4: Simplify right side
    13,580,351.38x = 139,977,198,149,162.84
  5. Step 5: Solve for x
    x = 139,977,198,149,162.84/13,580,351.38
  6. Step 6: Final answer
    x = 10,307,332.57

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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.