Home / 21,306,238.79-31,964,093.03-9,940,487.27

Finding the Fourth Proportional to 21,306,238.79, 31,964,093.03 and 9,940,487.27

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Solution

The fourth proportional to 21,306,238.79, 31,964,093.03 and 9,940,487.27 is: 14,912,939.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,306,238.79 : 31,964,093.03 = 9,940,487.27 : x
  2. Step 2: Convert to fraction form
    21,306,238.79/31,964,093.03 = 9,940,487.27/x
  3. Step 3: Cross multiply
    21,306,238.79x = 31,964,093.03 × 9,940,487.27
  4. Step 4: Simplify right side
    21,306,238.79x = 317,738,659,726,841.50
  5. Step 5: Solve for x
    x = 317,738,659,726,841.50/21,306,238.79
  6. Step 6: Final answer
    x = 14,912,939.96

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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.