Home / 18,492,090.20-27,738,135.30-8,394,711.20

Finding the Fourth Proportional to 18,492,090.20, 27,738,135.30 and 8,394,711.20

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Solution

The fourth proportional to 18,492,090.20, 27,738,135.30 and 8,394,711.20 is: 12,592,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,492,090.20 : 27,738,135.30 = 8,394,711.20 : x
  2. Step 2: Convert to fraction form
    18,492,090.20/27,738,135.30 = 8,394,711.20/x
  3. Step 3: Cross multiply
    18,492,090.20x = 27,738,135.30 × 8,394,711.20
  4. Step 4: Simplify right side
    18,492,090.20x = 232,853,635,070,025.34
  5. Step 5: Solve for x
    x = 232,853,635,070,025.34/18,492,090.20
  6. Step 6: Final answer
    x = 12,592,066.80

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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.