Home / 30,408,159.38-45,611,872.74-12,212,027.78

Finding the Fourth Proportional to 30,408,159.38, 45,611,872.74 and 12,212,027.78

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Solution

The fourth proportional to 30,408,159.38, 45,611,872.74 and 12,212,027.78 is: 18,317,894.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,408,159.38 : 45,611,872.74 = 12,212,027.78 : x
  2. Step 2: Convert to fraction form
    30,408,159.38/45,611,872.74 = 12,212,027.78/x
  3. Step 3: Cross multiply
    30,408,159.38x = 45,611,872.74 × 12,212,027.78
  4. Step 4: Simplify right side
    30,408,159.38x = 557,013,456,770,645.38
  5. Step 5: Solve for x
    x = 557,013,456,770,645.38/30,408,159.38
  6. Step 6: Final answer
    x = 18,317,894.55

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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.