Home / 38,187,069.12-57,274,914.24-12,628,212.48

Finding the Fourth Proportional to 38,187,069.12, 57,274,914.24 and 12,628,212.48

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Solution

The fourth proportional to 38,187,069.12, 57,274,914.24 and 12,628,212.48 is: 18,940,437.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,187,069.12 : 57,274,914.24 = 12,628,212.48 : x
  2. Step 2: Convert to fraction form
    38,187,069.12/57,274,914.24 = 12,628,212.48/x
  3. Step 3: Cross multiply
    38,187,069.12x = 57,274,914.24 × 12,628,212.48
  4. Step 4: Simplify right side
    38,187,069.12x = 723,279,786,796,497.75
  5. Step 5: Solve for x
    x = 723,279,786,796,497.75/38,187,069.12
  6. Step 6: Final answer
    x = 18,940,437.26

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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.