Home / 20,228,235.11-27,891,112.15-16,348,759.55

Finding the Fourth Proportional to 20,228,235.11, 27,891,112.15 and 16,348,759.55

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Solution

The fourth proportional to 20,228,235.11, 27,891,112.15 and 16,348,759.55 is: 22,542,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228,235.11 : 27,891,112.15 = 16,348,759.55 : x
  2. Step 2: Convert to fraction form
    20,228,235.11/27,891,112.15 = 16,348,759.55/x
  3. Step 3: Cross multiply
    20,228,235.11x = 27,891,112.15 × 16,348,759.55
  4. Step 4: Simplify right side
    20,228,235.11x = 455,985,086,122,433.50
  5. Step 5: Solve for x
    x = 455,985,086,122,433.50/20,228,235.11
  6. Step 6: Final answer
    x = 22,542,010.40

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1.5x scale

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.