Home / 20,325,122.91-28,048,694.97-11,032,687.94

Finding the Fourth Proportional to 20,325,122.91, 28,048,694.97 and 11,032,687.94

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Solution

The fourth proportional to 20,325,122.91, 28,048,694.97 and 11,032,687.94 is: 15,225,123.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,325,122.91 : 28,048,694.97 = 11,032,687.94 : x
  2. Step 2: Convert to fraction form
    20,325,122.91/28,048,694.97 = 11,032,687.94/x
  3. Step 3: Cross multiply
    20,325,122.91x = 28,048,694.97 × 11,032,687.94
  4. Step 4: Simplify right side
    20,325,122.91x = 309,452,498,588,014.19
  5. Step 5: Solve for x
    x = 309,452,498,588,014.19/20,325,122.91
  6. Step 6: Final answer
    x = 15,225,123.11

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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.