Home / 10,957,830.30-16,436,745.45-7,175,583.90

Finding the Fourth Proportional to 10,957,830.30, 16,436,745.45 and 7,175,583.90

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Solution

The fourth proportional to 10,957,830.30, 16,436,745.45 and 7,175,583.90 is: 10,763,375.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957,830.30 : 16,436,745.45 = 7,175,583.90 : x
  2. Step 2: Convert to fraction form
    10,957,830.30/16,436,745.45 = 7,175,583.90/x
  3. Step 3: Cross multiply
    10,957,830.30x = 16,436,745.45 × 7,175,583.90
  4. Step 4: Simplify right side
    10,957,830.30x = 117,943,246,019,418.25
  5. Step 5: Solve for x
    x = 117,943,246,019,418.25/10,957,830.30
  6. Step 6: Final answer
    x = 10,763,375.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.