Home / 18,144,418.80-27,216,628.20-13,609,455.60

Finding the Fourth Proportional to 18,144,418.80, 27,216,628.20 and 13,609,455.60

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Solution

The fourth proportional to 18,144,418.80, 27,216,628.20 and 13,609,455.60 is: 20,414,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,418.80 : 27,216,628.20 = 13,609,455.60 : x
  2. Step 2: Convert to fraction form
    18,144,418.80/27,216,628.20 = 13,609,455.60/x
  3. Step 3: Cross multiply
    18,144,418.80x = 27,216,628.20 × 13,609,455.60
  4. Step 4: Simplify right side
    18,144,418.80x = 370,403,493,069,607.88
  5. Step 5: Solve for x
    x = 370,403,493,069,607.88/18,144,418.80
  6. Step 6: Final answer
    x = 20,414,183.40

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Similar ratio
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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.