Home / 18,801,863.88-25,954,508.88-12,698,559.24

Finding the Fourth Proportional to 18,801,863.88, 25,954,508.88 and 12,698,559.24

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Solution

The fourth proportional to 18,801,863.88, 25,954,508.88 and 12,698,559.24 is: 17,529,372.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801,863.88 : 25,954,508.88 = 12,698,559.24 : x
  2. Step 2: Convert to fraction form
    18,801,863.88/25,954,508.88 = 12,698,559.24/x
  3. Step 3: Cross multiply
    18,801,863.88x = 25,954,508.88 × 12,698,559.24
  4. Step 4: Simplify right side
    18,801,863.88x = 329,584,868,557,786.06
  5. Step 5: Solve for x
    x = 329,584,868,557,786.06/18,801,863.88
  6. Step 6: Final answer
    x = 17,529,372.12

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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.