Home / 8,682,423.21-11,981,771.64-4,815,301.77

Finding the Fourth Proportional to 8,682,423.21, 11,981,771.64 and 4,815,301.77

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Solution

The fourth proportional to 8,682,423.21, 11,981,771.64 and 4,815,301.77 is: 6,645,131.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682,423.21 : 11,981,771.64 = 4,815,301.77 : x
  2. Step 2: Convert to fraction form
    8,682,423.21/11,981,771.64 = 4,815,301.77/x
  3. Step 3: Cross multiply
    8,682,423.21x = 11,981,771.64 × 4,815,301.77
  4. Step 4: Simplify right side
    8,682,423.21x = 57,695,846,185,827.80
  5. Step 5: Solve for x
    x = 57,695,846,185,827.80/8,682,423.21
  6. Step 6: Final answer
    x = 6,645,131.76

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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.