Home / 18,441,860.20-27,662,790.30-8,364,164.20

Finding the Fourth Proportional to 18,441,860.20, 27,662,790.30 and 8,364,164.20

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Solution

The fourth proportional to 18,441,860.20, 27,662,790.30 and 8,364,164.20 is: 12,546,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,860.20 : 27,662,790.30 = 8,364,164.20 : x
  2. Step 2: Convert to fraction form
    18,441,860.20/27,662,790.30 = 8,364,164.20/x
  3. Step 3: Cross multiply
    18,441,860.20x = 27,662,790.30 × 8,364,164.20
  4. Step 4: Simplify right side
    18,441,860.20x = 231,376,120,299,367.28
  5. Step 5: Solve for x
    x = 231,376,120,299,367.28/18,441,860.20
  6. Step 6: Final answer
    x = 12,546,246.30

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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.