Home / 8,647,521.48-12,972,861.72-2,889,709.38

Finding the Fourth Proportional to 8,647,521.48, 12,972,861.72 and 2,889,709.38

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Solution

The fourth proportional to 8,647,521.48, 12,972,861.72 and 2,889,709.38 is: 4,335,091.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,647,521.48 : 12,972,861.72 = 2,889,709.38 : x
  2. Step 2: Convert to fraction form
    8,647,521.48/12,972,861.72 = 2,889,709.38/x
  3. Step 3: Cross multiply
    8,647,521.48x = 12,972,861.72 × 2,889,709.38
  4. Step 4: Simplify right side
    8,647,521.48x = 37,487,800,197,726.94
  5. Step 5: Solve for x
    x = 37,487,800,197,726.94/8,647,521.48
  6. Step 6: Final answer
    x = 4,335,091.89

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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.