Home / 20,194,205.22-28,056,141.12-19,952,067.40

Finding the Fourth Proportional to 20,194,205.22, 28,056,141.12 and 19,952,067.40

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Solution

The fourth proportional to 20,194,205.22, 28,056,141.12 and 19,952,067.40 is: 27,719,735.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194,205.22 : 28,056,141.12 = 19,952,067.40 : x
  2. Step 2: Convert to fraction form
    20,194,205.22/28,056,141.12 = 19,952,067.40/x
  3. Step 3: Cross multiply
    20,194,205.22x = 28,056,141.12 × 19,952,067.40
  4. Step 4: Simplify right side
    20,194,205.22x = 559,778,018,610,151.44
  5. Step 5: Solve for x
    x = 559,778,018,610,151.44/20,194,205.22
  6. Step 6: Final answer
    x = 27,719,735.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.