Home / 16,651,178.96-22,979,131.80-9,309,321.44

Finding the Fourth Proportional to 16,651,178.96, 22,979,131.80 and 9,309,321.44

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Solution

The fourth proportional to 16,651,178.96, 22,979,131.80 and 9,309,321.44 is: 12,847,145.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,651,178.96 : 22,979,131.80 = 9,309,321.44 : x
  2. Step 2: Convert to fraction form
    16,651,178.96/22,979,131.80 = 9,309,321.44/x
  3. Step 3: Cross multiply
    16,651,178.96x = 22,979,131.80 × 9,309,321.44
  4. Step 4: Simplify right side
    16,651,178.96x = 213,920,124,338,325.78
  5. Step 5: Solve for x
    x = 213,920,124,338,325.78/16,651,178.96
  6. Step 6: Final answer
    x = 12,847,145.83

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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.