Home / 7,892,129.20-11,834,694.60-3,630,103.60

Finding the Fourth Proportional to 7,892,129.20, 11,834,694.60 and 3,630,103.60

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Solution

The fourth proportional to 7,892,129.20, 11,834,694.60 and 3,630,103.60 is: 5,443,545.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892,129.20 : 11,834,694.60 = 3,630,103.60 : x
  2. Step 2: Convert to fraction form
    7,892,129.20/11,834,694.60 = 3,630,103.60/x
  3. Step 3: Cross multiply
    7,892,129.20x = 11,834,694.60 × 3,630,103.60
  4. Step 4: Simplify right side
    7,892,129.20x = 42,961,167,472,360.56
  5. Step 5: Solve for x
    x = 42,961,167,472,360.56/7,892,129.20
  6. Step 6: Final answer
    x = 5,443,545.89

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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.