Home / 18,821,538.70-28,232,308.05-11,244,604.30

Finding the Fourth Proportional to 18,821,538.70, 28,232,308.05 and 11,244,604.30

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Solution

The fourth proportional to 18,821,538.70, 28,232,308.05 and 11,244,604.30 is: 16,866,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821,538.70 : 28,232,308.05 = 11,244,604.30 : x
  2. Step 2: Convert to fraction form
    18,821,538.70/28,232,308.05 = 11,244,604.30/x
  3. Step 3: Cross multiply
    18,821,538.70x = 28,232,308.05 × 11,244,604.30
  4. Step 4: Simplify right side
    18,821,538.70x = 317,461,132,497,954.62
  5. Step 5: Solve for x
    x = 317,461,132,497,954.62/18,821,538.70
  6. Step 6: Final answer
    x = 16,866,906.45

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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.