Home / 8,558,437.22-11,811,911.03-5,418,992.72

Finding the Fourth Proportional to 8,558,437.22, 11,811,911.03 and 5,418,992.72

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Solution

The fourth proportional to 8,558,437.22, 11,811,911.03 and 5,418,992.72 is: 7,479,012.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558,437.22 : 11,811,911.03 = 5,418,992.72 : x
  2. Step 2: Convert to fraction form
    8,558,437.22/11,811,911.03 = 5,418,992.72/x
  3. Step 3: Cross multiply
    8,558,437.22x = 11,811,911.03 × 5,418,992.72
  4. Step 4: Simplify right side
    8,558,437.22x = 64,008,659,838,997.85
  5. Step 5: Solve for x
    x = 64,008,659,838,997.85/8,558,437.22
  6. Step 6: Final answer
    x = 7,479,012.61

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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.