Home / 12,150,438.96-18,225,676.12-4,961,972.88

Finding the Fourth Proportional to 12,150,438.96, 18,225,676.12 and 4,961,972.88

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Solution

The fourth proportional to 12,150,438.96, 18,225,676.12 and 4,961,972.88 is: 7,442,966.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150,438.96 : 18,225,676.12 = 4,961,972.88 : x
  2. Step 2: Convert to fraction form
    12,150,438.96/18,225,676.12 = 4,961,972.88/x
  3. Step 3: Cross multiply
    12,150,438.96x = 18,225,676.12 × 4,961,972.88
  4. Step 4: Simplify right side
    12,150,438.96x = 90,435,310,627,103.62
  5. Step 5: Solve for x
    x = 90,435,310,627,103.62/12,150,438.96
  6. Step 6: Final answer
    x = 7,442,966.54

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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.