Home / 11,711,781.76-17,555,645.76-6,652,289.92

Finding the Fourth Proportional to 11,711,781.76, 17,555,645.76 and 6,652,289.92

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Solution

The fourth proportional to 11,711,781.76, 17,555,645.76 and 6,652,289.92 is: 9,971,603.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711,781.76 : 17,555,645.76 = 6,652,289.92 : x
  2. Step 2: Convert to fraction form
    11,711,781.76/17,555,645.76 = 6,652,289.92/x
  3. Step 3: Cross multiply
    11,711,781.76x = 17,555,645.76 × 6,652,289.92
  4. Step 4: Simplify right side
    11,711,781.76x = 116,785,245,328,338.75
  5. Step 5: Solve for x
    x = 116,785,245,328,338.75/11,711,781.76
  6. Step 6: Final answer
    x = 9,971,603.61

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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.