Home / 12,067,687.53-18,102,088.85-3,981,369.92

Finding the Fourth Proportional to 12,067,687.53, 18,102,088.85 and 3,981,369.92

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Solution

The fourth proportional to 12,067,687.53, 18,102,088.85 and 3,981,369.92 is: 5,972,238.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067,687.53 : 18,102,088.85 = 3,981,369.92 : x
  2. Step 2: Convert to fraction form
    12,067,687.53/18,102,088.85 = 3,981,369.92/x
  3. Step 3: Cross multiply
    12,067,687.53x = 18,102,088.85 × 3,981,369.92
  4. Step 4: Simplify right side
    12,067,687.53x = 72,071,111,926,140.09
  5. Step 5: Solve for x
    x = 72,071,111,926,140.09/12,067,687.53
  6. Step 6: Final answer
    x = 5,972,238.82

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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.