Home / 18,042,388.32-27,086,677.40-15,499,869.60

Finding the Fourth Proportional to 18,042,388.32, 27,086,677.40 and 15,499,869.60

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Solution

The fourth proportional to 18,042,388.32, 27,086,677.40 and 15,499,869.60 is: 23,269,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042,388.32 : 27,086,677.40 = 15,499,869.60 : x
  2. Step 2: Convert to fraction form
    18,042,388.32/27,086,677.40 = 15,499,869.60/x
  3. Step 3: Cross multiply
    18,042,388.32x = 27,086,677.40 × 15,499,869.60
  4. Step 4: Simplify right side
    18,042,388.32x = 419,839,967,597,267
  5. Step 5: Solve for x
    x = 419,839,967,597,267/18,042,388.32
  6. Step 6: Final answer
    x = 23,269,644.80

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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.