Home / 20,262,131.94-27,961,788.16-10,969,799.80

Finding the Fourth Proportional to 20,262,131.94, 27,961,788.16 and 10,969,799.80

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Solution

The fourth proportional to 20,262,131.94, 27,961,788.16 and 10,969,799.80 is: 15,138,348.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262,131.94 : 27,961,788.16 = 10,969,799.80 : x
  2. Step 2: Convert to fraction form
    20,262,131.94/27,961,788.16 = 10,969,799.80/x
  3. Step 3: Cross multiply
    20,262,131.94x = 27,961,788.16 × 10,969,799.80
  4. Step 4: Simplify right side
    20,262,131.94x = 306,735,218,165,210.38
  5. Step 5: Solve for x
    x = 306,735,218,165,210.38/20,262,131.94
  6. Step 6: Final answer
    x = 15,138,348.67

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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.