Home / 18,844,396.71-25,998,644.79-12,321,844.17

Finding the Fourth Proportional to 18,844,396.71, 25,998,644.79 and 12,321,844.17

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Solution

The fourth proportional to 18,844,396.71, 25,998,644.79 and 12,321,844.17 is: 16,999,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,844,396.71 : 25,998,644.79 = 12,321,844.17 : x
  2. Step 2: Convert to fraction form
    18,844,396.71/25,998,644.79 = 12,321,844.17/x
  3. Step 3: Cross multiply
    18,844,396.71x = 25,998,644.79 × 12,321,844.17
  4. Step 4: Simplify right side
    18,844,396.71x = 320,351,249,733,562.38
  5. Step 5: Solve for x
    x = 320,351,249,733,562.38/18,844,396.71
  6. Step 6: Final answer
    x = 16,999,814.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.