Home / 7,679,418.48-11,520,845.88-2,887,149.27

Finding the Fourth Proportional to 7,679,418.48, 11,520,845.88 and 2,887,149.27

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Solution

The fourth proportional to 7,679,418.48, 11,520,845.88 and 2,887,149.27 is: 4,331,369.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679,418.48 : 11,520,845.88 = 2,887,149.27 : x
  2. Step 2: Convert to fraction form
    7,679,418.48/11,520,845.88 = 2,887,149.27/x
  3. Step 3: Cross multiply
    7,679,418.48x = 11,520,845.88 × 2,887,149.27
  4. Step 4: Simplify right side
    7,679,418.48x = 33,262,401,772,224.51
  5. Step 5: Solve for x
    x = 33,262,401,772,224.51/7,679,418.48
  6. Step 6: Final answer
    x = 4,331,369.86

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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.