Home / 18,287,661.74-25,231,865.92-14,408,137.58

Finding the Fourth Proportional to 18,287,661.74, 25,231,865.92 and 14,408,137.58

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Solution

The fourth proportional to 18,287,661.74, 25,231,865.92 and 14,408,137.58 is: 19,879,206.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287,661.74 : 25,231,865.92 = 14,408,137.58 : x
  2. Step 2: Convert to fraction form
    18,287,661.74/25,231,865.92 = 14,408,137.58/x
  3. Step 3: Cross multiply
    18,287,661.74x = 25,231,865.92 × 14,408,137.58
  4. Step 4: Simplify right side
    18,287,661.74x = 363,544,195,413,293.56
  5. Step 5: Solve for x
    x = 363,544,195,413,293.56/18,287,661.74
  6. Step 6: Final answer
    x = 19,879,206.03

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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.