Home / 20,061,511.30-27,684,417.08-11,802,105.39

Finding the Fourth Proportional to 20,061,511.30, 27,684,417.08 and 11,802,105.39

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Solution

The fourth proportional to 20,061,511.30, 27,684,417.08 and 11,802,105.39 is: 16,286,629.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,061,511.30 : 27,684,417.08 = 11,802,105.39 : x
  2. Step 2: Convert to fraction form
    20,061,511.30/27,684,417.08 = 11,802,105.39/x
  3. Step 3: Cross multiply
    20,061,511.30x = 27,684,417.08 × 11,802,105.39
  4. Step 4: Simplify right side
    20,061,511.30x = 326,734,407,979,865.56
  5. Step 5: Solve for x
    x = 326,734,407,979,865.56/20,061,511.30
  6. Step 6: Final answer
    x = 16,286,629.81

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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.