Home / 21,062,163-31,593,244.50-5,105,811

Finding the Fourth Proportional to 21,062,163, 31,593,244.50 and 5,105,811

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Solution

The fourth proportional to 21,062,163, 31,593,244.50 and 5,105,811 is: 7,658,716.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062,163 : 31,593,244.50 = 5,105,811 : x
  2. Step 2: Convert to fraction form
    21,062,163/31,593,244.50 = 5,105,811/x
  3. Step 3: Cross multiply
    21,062,163x = 31,593,244.50 × 5,105,811
  4. Step 4: Simplify right side
    21,062,163x = 161,309,135,293,789.50
  5. Step 5: Solve for x
    x = 161,309,135,293,789.50/21,062,163
  6. Step 6: Final answer
    x = 7,658,716.50

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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.