Home / 18,086,121.60-27,129,182.40-14,684,899.20

Finding the Fourth Proportional to 18,086,121.60, 27,129,182.40 and 14,684,899.20

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Solution

The fourth proportional to 18,086,121.60, 27,129,182.40 and 14,684,899.20 is: 22,027,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086,121.60 : 27,129,182.40 = 14,684,899.20 : x
  2. Step 2: Convert to fraction form
    18,086,121.60/27,129,182.40 = 14,684,899.20/x
  3. Step 3: Cross multiply
    18,086,121.60x = 27,129,182.40 × 14,684,899.20
  4. Step 4: Simplify right side
    18,086,121.60x = 398,389,308,922,414.06
  5. Step 5: Solve for x
    x = 398,389,308,922,414.06/18,086,121.60
  6. Step 6: Final answer
    x = 22,027,348.80

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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.