Home / 18,039,618.60-27,027,935.10-15,520,194.60

Finding the Fourth Proportional to 18,039,618.60, 27,027,935.10 and 15,520,194.60

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Solution

The fourth proportional to 18,039,618.60, 27,027,935.10 and 15,520,194.60 is: 23,253,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039,618.60 : 27,027,935.10 = 15,520,194.60 : x
  2. Step 2: Convert to fraction form
    18,039,618.60/27,027,935.10 = 15,520,194.60/x
  3. Step 3: Cross multiply
    18,039,618.60x = 27,027,935.10 × 15,520,194.60
  4. Step 4: Simplify right side
    18,039,618.60x = 419,478,812,388,170.50
  5. Step 5: Solve for x
    x = 419,478,812,388,170.50/18,039,618.60
  6. Step 6: Final answer
    x = 23,253,197.40

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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.