Home / 11,778,820.20-17,668,451.77-3,691,616.78

Finding the Fourth Proportional to 11,778,820.20, 17,668,451.77 and 3,691,616.78

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Solution

The fourth proportional to 11,778,820.20, 17,668,451.77 and 3,691,616.78 is: 5,537,494.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778,820.20 : 17,668,451.77 = 3,691,616.78 : x
  2. Step 2: Convert to fraction form
    11,778,820.20/17,668,451.77 = 3,691,616.78/x
  3. Step 3: Cross multiply
    11,778,820.20x = 17,668,451.77 × 3,691,616.78
  4. Step 4: Simplify right side
    11,778,820.20x = 65,225,153,065,694.78
  5. Step 5: Solve for x
    x = 65,225,153,065,694.78/11,778,820.20
  6. Step 6: Final answer
    x = 5,537,494.58

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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.