Home / 13,147,216.80-19,720,825.20-10,907,728.80

Finding the Fourth Proportional to 13,147,216.80, 19,720,825.20 and 10,907,728.80

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Solution

The fourth proportional to 13,147,216.80, 19,720,825.20 and 10,907,728.80 is: 16,361,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147,216.80 : 19,720,825.20 = 10,907,728.80 : x
  2. Step 2: Convert to fraction form
    13,147,216.80/19,720,825.20 = 10,907,728.80/x
  3. Step 3: Cross multiply
    13,147,216.80x = 19,720,825.20 × 10,907,728.80
  4. Step 4: Simplify right side
    13,147,216.80x = 215,109,412,993,805.78
  5. Step 5: Solve for x
    x = 215,109,412,993,805.78/13,147,216.80
  6. Step 6: Final answer
    x = 16,361,593.20

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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.