Home / 8,558,514.72-11,811,960-5,296,380.12

Finding the Fourth Proportional to 8,558,514.72, 11,811,960 and 5,296,380.12

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Solution

The fourth proportional to 8,558,514.72, 11,811,960 and 5,296,380.12 is: 7,309,753.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558,514.72 : 11,811,960 = 5,296,380.12 : x
  2. Step 2: Convert to fraction form
    8,558,514.72/11,811,960 = 5,296,380.12/x
  3. Step 3: Cross multiply
    8,558,514.72x = 11,811,960 × 5,296,380.12
  4. Step 4: Simplify right side
    8,558,514.72x = 62,560,630,122,235.20
  5. Step 5: Solve for x
    x = 62,560,630,122,235.20/8,558,514.72
  6. Step 6: Final answer
    x = 7,309,753.17

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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.