Home / 20,847,504.09-28,771,279.28-11,557,989.23

Finding the Fourth Proportional to 20,847,504.09, 28,771,279.28 and 11,557,989.23

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Solution

The fourth proportional to 20,847,504.09, 28,771,279.28 and 11,557,989.23 is: 15,950,980.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,847,504.09 : 28,771,279.28 = 11,557,989.23 : x
  2. Step 2: Convert to fraction form
    20,847,504.09/28,771,279.28 = 11,557,989.23/x
  3. Step 3: Cross multiply
    20,847,504.09x = 28,771,279.28 × 11,557,989.23
  4. Step 4: Simplify right side
    20,847,504.09x = 332,538,135,893,258.25
  5. Step 5: Solve for x
    x = 332,538,135,893,258.25/20,847,504.09
  6. Step 6: Final answer
    x = 15,950,980.72

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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.