Home / 20,065,799.40-27,691,165.97-11,365,772.46

Finding the Fourth Proportional to 20,065,799.40, 27,691,165.97 and 11,365,772.46

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Solution

The fourth proportional to 20,065,799.40, 27,691,165.97 and 11,365,772.46 is: 15,684,971.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065,799.40 : 27,691,165.97 = 11,365,772.46 : x
  2. Step 2: Convert to fraction form
    20,065,799.40/27,691,165.97 = 11,365,772.46/x
  3. Step 3: Cross multiply
    20,065,799.40x = 27,691,165.97 × 11,365,772.46
  4. Step 4: Simplify right side
    20,065,799.40x = 314,731,491,567,115.19
  5. Step 5: Solve for x
    x = 314,731,491,567,115.19/20,065,799.40
  6. Step 6: Final answer
    x = 15,684,971.49

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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.