Home / 28,181,221.40-38,890,091.24-17,167,967.80

Finding the Fourth Proportional to 28,181,221.40, 38,890,091.24 and 17,167,967.80

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Solution

The fourth proportional to 28,181,221.40, 38,890,091.24 and 17,167,967.80 is: 23,691,799.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,181,221.40 : 38,890,091.24 = 17,167,967.80 : x
  2. Step 2: Convert to fraction form
    28,181,221.40/38,890,091.24 = 17,167,967.80/x
  3. Step 3: Cross multiply
    28,181,221.40x = 38,890,091.24 × 17,167,967.80
  4. Step 4: Simplify right side
    28,181,221.40x = 667,663,834,147,382.12
  5. Step 5: Solve for x
    x = 667,663,834,147,382.12/28,181,221.40
  6. Step 6: Final answer
    x = 23,691,799.04

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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.