Home / 20,369,644.44-28,109,465.82-11,202,258.84

Finding the Fourth Proportional to 20,369,644.44, 28,109,465.82 and 11,202,258.84

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Solution

The fourth proportional to 20,369,644.44, 28,109,465.82 and 11,202,258.84 is: 15,458,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,369,644.44 : 28,109,465.82 = 11,202,258.84 : x
  2. Step 2: Convert to fraction form
    20,369,644.44/28,109,465.82 = 11,202,258.84/x
  3. Step 3: Cross multiply
    20,369,644.44x = 28,109,465.82 × 11,202,258.84
  4. Step 4: Simplify right side
    20,369,644.44x = 314,889,511,969,772.88
  5. Step 5: Solve for x
    x = 314,889,511,969,772.88/20,369,644.44
  6. Step 6: Final answer
    x = 15,458,763.30

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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.