Home / 18,489,493-27,711,524.42-10,385,433.24

Finding the Fourth Proportional to 18,489,493, 27,711,524.42 and 10,385,433.24

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Solution

The fourth proportional to 18,489,493, 27,711,524.42 and 10,385,433.24 is: 15,565,390.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,489,493 : 27,711,524.42 = 10,385,433.24 : x
  2. Step 2: Convert to fraction form
    18,489,493/27,711,524.42 = 10,385,433.24/x
  3. Step 3: Cross multiply
    18,489,493x = 27,711,524.42 × 10,385,433.24
  4. Step 4: Simplify right side
    18,489,493x = 287,796,186,842,539.75
  5. Step 5: Solve for x
    x = 287,796,186,842,539.75/18,489,493
  6. Step 6: Final answer
    x = 15,565,390.94

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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.