Home / 18,148,052.80-27,222,079.20-18,022,081.60

Finding the Fourth Proportional to 18,148,052.80, 27,222,079.20 and 18,022,081.60

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Solution

The fourth proportional to 18,148,052.80, 27,222,079.20 and 18,022,081.60 is: 27,033,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148,052.80 : 27,222,079.20 = 18,022,081.60 : x
  2. Step 2: Convert to fraction form
    18,148,052.80/27,222,079.20 = 18,022,081.60/x
  3. Step 3: Cross multiply
    18,148,052.80x = 27,222,079.20 × 18,022,081.60
  4. Step 4: Simplify right side
    18,148,052.80x = 490,598,532,664,062.75
  5. Step 5: Solve for x
    x = 490,598,532,664,062.75/18,148,052.80
  6. Step 6: Final answer
    x = 27,033,122.40

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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.