Home / 21,906,709.34-30,229,230.11-12,116,942.82

Finding the Fourth Proportional to 21,906,709.34, 30,229,230.11 and 12,116,942.82

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Solution

The fourth proportional to 21,906,709.34, 30,229,230.11 and 12,116,942.82 is: 16,720,258.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,906,709.34 : 30,229,230.11 = 12,116,942.82 : x
  2. Step 2: Convert to fraction form
    21,906,709.34/30,229,230.11 = 12,116,942.82/x
  3. Step 3: Cross multiply
    21,906,709.34x = 30,229,230.11 × 12,116,942.82
  4. Step 4: Simplify right side
    21,906,709.34x = 366,285,852,674,907.62
  5. Step 5: Solve for x
    x = 366,285,852,674,907.62/21,906,709.34
  6. Step 6: Final answer
    x = 16,720,258.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.