Home / 13,310,031.44-18,367,843.38-7,198,459.94

Finding the Fourth Proportional to 13,310,031.44, 18,367,843.38 and 7,198,459.94

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Solution

The fourth proportional to 13,310,031.44, 18,367,843.38 and 7,198,459.94 is: 9,933,874.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,031.44 : 18,367,843.38 = 7,198,459.94 : x
  2. Step 2: Convert to fraction form
    13,310,031.44/18,367,843.38 = 7,198,459.94/x
  3. Step 3: Cross multiply
    13,310,031.44x = 18,367,843.38 × 7,198,459.94
  4. Step 4: Simplify right side
    13,310,031.44x = 132,220,184,755,124.20
  5. Step 5: Solve for x
    x = 132,220,184,755,124.20/13,310,031.44
  6. Step 6: Final answer
    x = 9,933,874.71

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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.