Home / 13,691,137.20-18,893,050.07-7,494,996.44

Finding the Fourth Proportional to 13,691,137.20, 18,893,050.07 and 7,494,996.44

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Solution

The fourth proportional to 13,691,137.20, 18,893,050.07 and 7,494,996.44 is: 10,342,701.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,691,137.20 : 18,893,050.07 = 7,494,996.44 : x
  2. Step 2: Convert to fraction form
    13,691,137.20/18,893,050.07 = 7,494,996.44/x
  3. Step 3: Cross multiply
    13,691,137.20x = 18,893,050.07 × 7,494,996.44
  4. Step 4: Simplify right side
    13,691,137.20x = 141,603,342,883,451.53
  5. Step 5: Solve for x
    x = 141,603,342,883,451.53/13,691,137.20
  6. Step 6: Final answer
    x = 10,342,701.33

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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.