Home / 20,061,511.80-27,684,417.76-11,802,105.89

Finding the Fourth Proportional to 20,061,511.80, 27,684,417.76 and 11,802,105.89

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Solution

The fourth proportional to 20,061,511.80, 27,684,417.76 and 11,802,105.89 is: 16,286,630.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,061,511.80 : 27,684,417.76 = 11,802,105.89 : x
  2. Step 2: Convert to fraction form
    20,061,511.80/27,684,417.76 = 11,802,105.89/x
  3. Step 3: Cross multiply
    20,061,511.80x = 27,684,417.76 × 11,802,105.89
  4. Step 4: Simplify right side
    20,061,511.80x = 326,734,429,906,516.62
  5. Step 5: Solve for x
    x = 326,734,429,906,516.62/20,061,511.80
  6. Step 6: Final answer
    x = 16,286,630.50

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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.