Home / 11,003,145.80-16,488,972.30-8,101,871.60

Finding the Fourth Proportional to 11,003,145.80, 16,488,972.30 and 8,101,871.60

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Solution

The fourth proportional to 11,003,145.80, 16,488,972.30 and 8,101,871.60 is: 12,141,212.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003,145.80 : 16,488,972.30 = 8,101,871.60 : x
  2. Step 2: Convert to fraction form
    11,003,145.80/16,488,972.30 = 8,101,871.60/x
  3. Step 3: Cross multiply
    11,003,145.80x = 16,488,972.30 × 8,101,871.60
  4. Step 4: Simplify right side
    11,003,145.80x = 133,591,536,390,556.69
  5. Step 5: Solve for x
    x = 133,591,536,390,556.69/11,003,145.80
  6. Step 6: Final answer
    x = 12,141,212.96

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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.