Home / 18,066,465.54-27,099,736.83-12,699,133.02

Finding the Fourth Proportional to 18,066,465.54, 27,099,736.83 and 12,699,133.02

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Solution

The fourth proportional to 18,066,465.54, 27,099,736.83 and 12,699,133.02 is: 19,048,726.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,066,465.54 : 27,099,736.83 = 12,699,133.02 : x
  2. Step 2: Convert to fraction form
    18,066,465.54/27,099,736.83 = 12,699,133.02/x
  3. Step 3: Cross multiply
    18,066,465.54x = 27,099,736.83 × 12,699,133.02
  4. Step 4: Simplify right side
    18,066,465.54x = 344,143,162,811,163.06
  5. Step 5: Solve for x
    x = 344,143,162,811,163.06/18,066,465.54
  6. Step 6: Final answer
    x = 19,048,726.61

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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.