Home / 18,753,291.56-28,093,539.78-13,820,364.44

Finding the Fourth Proportional to 18,753,291.56, 28,093,539.78 and 13,820,364.44

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Solution

The fourth proportional to 18,753,291.56, 28,093,539.78 and 13,820,364.44 is: 20,703,723.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,753,291.56 : 28,093,539.78 = 13,820,364.44 : x
  2. Step 2: Convert to fraction form
    18,753,291.56/28,093,539.78 = 13,820,364.44/x
  3. Step 3: Cross multiply
    18,753,291.56x = 28,093,539.78 × 13,820,364.44
  4. Step 4: Simplify right side
    18,753,291.56x = 388,262,958,169,237.44
  5. Step 5: Solve for x
    x = 388,262,958,169,237.44/18,753,291.56
  6. Step 6: Final answer
    x = 20,703,723.23

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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.