Home / 20,025,789.78-27,636,133.26-11,325,263.48

Finding the Fourth Proportional to 20,025,789.78, 27,636,133.26 and 11,325,263.48

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Solution

The fourth proportional to 20,025,789.78, 27,636,133.26 and 11,325,263.48 is: 15,629,170.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025,789.78 : 27,636,133.26 = 11,325,263.48 : x
  2. Step 2: Convert to fraction form
    20,025,789.78/27,636,133.26 = 11,325,263.48/x
  3. Step 3: Cross multiply
    20,025,789.78x = 27,636,133.26 × 11,325,263.48
  4. Step 4: Simplify right side
    20,025,789.78x = 312,986,490,737,891.38
  5. Step 5: Solve for x
    x = 312,986,490,737,891.38/20,025,789.78
  6. Step 6: Final answer
    x = 15,629,170.89

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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.