Home / 18,393,788.88-25,383,435.60-10,663,312.44

Finding the Fourth Proportional to 18,393,788.88, 25,383,435.60 and 10,663,312.44

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Solution

The fourth proportional to 18,393,788.88, 25,383,435.60 and 10,663,312.44 is: 14,715,375.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393,788.88 : 25,383,435.60 = 10,663,312.44 : x
  2. Step 2: Convert to fraction form
    18,393,788.88/25,383,435.60 = 10,663,312.44/x
  3. Step 3: Cross multiply
    18,393,788.88x = 25,383,435.60 × 10,663,312.44
  4. Step 4: Simplify right side
    18,393,788.88x = 270,671,504,603,418.88
  5. Step 5: Solve for x
    x = 270,671,504,603,418.88/18,393,788.88
  6. Step 6: Final answer
    x = 14,715,375.19

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1.5x scale

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.