Home / 28,084,120.20-42,093,002.70-11,910,040.20

Finding the Fourth Proportional to 28,084,120.20, 42,093,002.70 and 11,910,040.20

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Solution

The fourth proportional to 28,084,120.20, 42,093,002.70 and 11,910,040.20 is: 17,850,990.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,120.20 : 42,093,002.70 = 11,910,040.20 : x
  2. Step 2: Convert to fraction form
    28,084,120.20/42,093,002.70 = 11,910,040.20/x
  3. Step 3: Cross multiply
    28,084,120.20x = 42,093,002.70 × 11,910,040.20
  4. Step 4: Simplify right side
    28,084,120.20x = 501,329,354,295,708.56
  5. Step 5: Solve for x
    x = 501,329,354,295,708.56/28,084,120.20
  6. Step 6: Final answer
    x = 17,850,990.19

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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.