Home / 8,530,222.92-12,800,390.44-3,142,653.66

Finding the Fourth Proportional to 8,530,222.92, 12,800,390.44 and 3,142,653.66

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Solution

The fourth proportional to 8,530,222.92, 12,800,390.44 and 3,142,653.66 is: 4,715,843.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530,222.92 : 12,800,390.44 = 3,142,653.66 : x
  2. Step 2: Convert to fraction form
    8,530,222.92/12,800,390.44 = 3,142,653.66/x
  3. Step 3: Cross multiply
    8,530,222.92x = 12,800,390.44 × 3,142,653.66
  4. Step 4: Simplify right side
    8,530,222.92x = 40,227,193,865,695.01
  5. Step 5: Solve for x
    x = 40,227,193,865,695.01/8,530,222.92
  6. Step 6: Final answer
    x = 4,715,843.21

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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.