Home / 20,228,233.11-27,891,109.40-16,348,757.55

Finding the Fourth Proportional to 20,228,233.11, 27,891,109.40 and 16,348,757.55

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Solution

The fourth proportional to 20,228,233.11, 27,891,109.40 and 16,348,757.55 is: 22,542,007.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228,233.11 : 27,891,109.40 = 16,348,757.55 : x
  2. Step 2: Convert to fraction form
    20,228,233.11/27,891,109.40 = 16,348,757.55/x
  3. Step 3: Cross multiply
    20,228,233.11x = 27,891,109.40 × 16,348,757.55
  4. Step 4: Simplify right side
    20,228,233.11x = 455,984,985,299,382.19
  5. Step 5: Solve for x
    x = 455,984,985,299,382.19/20,228,233.11
  6. Step 6: Final answer
    x = 22,542,007.64

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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.