Home / 18,388,047.80-27,597,818.10-8,168,634.20

Finding the Fourth Proportional to 18,388,047.80, 27,597,818.10 and 8,168,634.20

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Solution

The fourth proportional to 18,388,047.80, 27,597,818.10 and 8,168,634.20 is: 12,259,946.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,047.80 : 27,597,818.10 = 8,168,634.20 : x
  2. Step 2: Convert to fraction form
    18,388,047.80/27,597,818.10 = 8,168,634.20/x
  3. Step 3: Cross multiply
    18,388,047.80x = 27,597,818.10 × 8,168,634.20
  4. Step 4: Simplify right side
    18,388,047.80x = 225,436,480,777,039.03
  5. Step 5: Solve for x
    x = 225,436,480,777,039.03/18,388,047.80
  6. Step 6: Final answer
    x = 12,259,946.42

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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.