Home / 30,408,160.38-45,611,874.24-12,212,028.78

Finding the Fourth Proportional to 30,408,160.38, 45,611,874.24 and 12,212,028.78

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Solution

The fourth proportional to 30,408,160.38, 45,611,874.24 and 12,212,028.78 is: 18,317,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,408,160.38 : 45,611,874.24 = 12,212,028.78 : x
  2. Step 2: Convert to fraction form
    30,408,160.38/45,611,874.24 = 12,212,028.78/x
  3. Step 3: Cross multiply
    30,408,160.38x = 45,611,874.24 × 12,212,028.78
  4. Step 4: Simplify right side
    30,408,160.38x = 557,013,520,928,620.62
  5. Step 5: Solve for x
    x = 557,013,520,928,620.62/30,408,160.38
  6. Step 6: Final answer
    x = 18,317,896.05

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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.