Home / 27,259,066.80-40,888,600.20-18,189,140.40

Finding the Fourth Proportional to 27,259,066.80, 40,888,600.20 and 18,189,140.40

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Solution

The fourth proportional to 27,259,066.80, 40,888,600.20 and 18,189,140.40 is: 27,283,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,259,066.80 : 40,888,600.20 = 18,189,140.40 : x
  2. Step 2: Convert to fraction form
    27,259,066.80/40,888,600.20 = 18,189,140.40/x
  3. Step 3: Cross multiply
    27,259,066.80x = 40,888,600.20 × 18,189,140.40
  4. Step 4: Simplify right side
    27,259,066.80x = 743,728,489,797,268.12
  5. Step 5: Solve for x
    x = 743,728,489,797,268.12/27,259,066.80
  6. Step 6: Final answer
    x = 27,283,710.60

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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.