Home / 13,256,910.80-19,843,375.80-10,401,563.60

Finding the Fourth Proportional to 13,256,910.80, 19,843,375.80 and 10,401,563.60

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Solution

The fourth proportional to 13,256,910.80, 19,843,375.80 and 10,401,563.60 is: 15,569,399.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256,910.80 : 19,843,375.80 = 10,401,563.60 : x
  2. Step 2: Convert to fraction form
    13,256,910.80/19,843,375.80 = 10,401,563.60/x
  3. Step 3: Cross multiply
    13,256,910.80x = 19,843,375.80 × 10,401,563.60
  4. Step 4: Simplify right side
    13,256,910.80x = 206,402,135,422,400.88
  5. Step 5: Solve for x
    x = 206,402,135,422,400.88/13,256,910.80
  6. Step 6: Final answer
    x = 15,569,399.13

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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.