Home / 20,025,791.77-27,636,136.02-11,325,265.48

Finding the Fourth Proportional to 20,025,791.77, 27,636,136.02 and 11,325,265.48

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Solution

The fourth proportional to 20,025,791.77, 27,636,136.02 and 11,325,265.48 is: 15,629,173.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025,791.77 : 27,636,136.02 = 11,325,265.48 : x
  2. Step 2: Convert to fraction form
    20,025,791.77/27,636,136.02 = 11,325,265.48/x
  3. Step 3: Cross multiply
    20,025,791.77x = 27,636,136.02 × 11,325,265.48
  4. Step 4: Simplify right side
    20,025,791.77x = 312,986,577,267,890.62
  5. Step 5: Solve for x
    x = 312,986,577,267,890.62/20,025,791.77
  6. Step 6: Final answer
    x = 15,629,173.66

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1.5x scale

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.