Home / 13,622,136.26-18,798,694.67-7,427,132.37

Finding the Fourth Proportional to 13,622,136.26, 18,798,694.67 and 7,427,132.37

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Solution

The fourth proportional to 13,622,136.26, 18,798,694.67 and 7,427,132.37 is: 10,249,522.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622,136.26 : 18,798,694.67 = 7,427,132.37 : x
  2. Step 2: Convert to fraction form
    13,622,136.26/18,798,694.67 = 7,427,132.37/x
  3. Step 3: Cross multiply
    13,622,136.26x = 18,798,694.67 × 7,427,132.37
  4. Step 4: Simplify right side
    13,622,136.26x = 139,620,393,715,871.30
  5. Step 5: Solve for x
    x = 139,620,393,715,871.30/13,622,136.26
  6. Step 6: Final answer
    x = 10,249,522.62

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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.