Home / 28,193,338.20-42,290,007.30-13,844,431.20

Finding the Fourth Proportional to 28,193,338.20, 42,290,007.30 and 13,844,431.20

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Solution

The fourth proportional to 28,193,338.20, 42,290,007.30 and 13,844,431.20 is: 20,766,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,193,338.20 : 42,290,007.30 = 13,844,431.20 : x
  2. Step 2: Convert to fraction form
    28,193,338.20/42,290,007.30 = 13,844,431.20/x
  3. Step 3: Cross multiply
    28,193,338.20x = 42,290,007.30 × 13,844,431.20
  4. Step 4: Simplify right side
    28,193,338.20x = 585,481,096,512,347.62
  5. Step 5: Solve for x
    x = 585,481,096,512,347.62/28,193,338.20
  6. Step 6: Final answer
    x = 20,766,646.80

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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.