Home / 11,458,723.89-17,187,836.15-5,390,091.86

Finding the Fourth Proportional to 11,458,723.89, 17,187,836.15 and 5,390,091.86

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Solution

The fourth proportional to 11,458,723.89, 17,187,836.15 and 5,390,091.86 is: 8,085,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458,723.89 : 17,187,836.15 = 5,390,091.86 : x
  2. Step 2: Convert to fraction form
    11,458,723.89/17,187,836.15 = 5,390,091.86/x
  3. Step 3: Cross multiply
    11,458,723.89x = 17,187,836.15 × 5,390,091.86
  4. Step 4: Simplify right side
    11,458,723.89x = 92,644,015,610,239.11
  5. Step 5: Solve for x
    x = 92,644,015,610,239.11/11,458,723.89
  6. Step 6: Final answer
    x = 8,085,020.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.