Home / 27,253,418.80-40,880,128.20-21,206,801.20

Finding the Fourth Proportional to 27,253,418.80, 40,880,128.20 and 21,206,801.20

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Solution

The fourth proportional to 27,253,418.80, 40,880,128.20 and 21,206,801.20 is: 31,810,201.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,253,418.80 : 40,880,128.20 = 21,206,801.20 : x
  2. Step 2: Convert to fraction form
    27,253,418.80/40,880,128.20 = 21,206,801.20/x
  3. Step 3: Cross multiply
    27,253,418.80x = 40,880,128.20 × 21,206,801.20
  4. Step 4: Simplify right side
    27,253,418.80x = 866,936,751,767,913.88
  5. Step 5: Solve for x
    x = 866,936,751,767,913.88/27,253,418.80
  6. Step 6: Final answer
    x = 31,810,201.80

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1.5x scale

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.