Home / 20,227,906.30-30,352,357.05-8,869,503.10

Finding the Fourth Proportional to 20,227,906.30, 30,352,357.05 and 8,869,503.10

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Solution

The fourth proportional to 20,227,906.30, 30,352,357.05 and 8,869,503.10 is: 13,308,857.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227,906.30 : 30,352,357.05 = 8,869,503.10 : x
  2. Step 2: Convert to fraction form
    20,227,906.30/30,352,357.05 = 8,869,503.10/x
  3. Step 3: Cross multiply
    20,227,906.30x = 30,352,357.05 × 8,869,503.10
  4. Step 4: Simplify right side
    20,227,906.30x = 269,210,324,947,281.84
  5. Step 5: Solve for x
    x = 269,210,324,947,281.84/20,227,906.30
  6. Step 6: Final answer
    x = 13,308,857.62

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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.