Home / 8,412,781.68-12,621,296.16-2,347,508.31

Finding the Fourth Proportional to 8,412,781.68, 12,621,296.16 and 2,347,508.31

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Solution

The fourth proportional to 8,412,781.68, 12,621,296.16 and 2,347,508.31 is: 3,521,855.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412,781.68 : 12,621,296.16 = 2,347,508.31 : x
  2. Step 2: Convert to fraction form
    8,412,781.68/12,621,296.16 = 2,347,508.31/x
  3. Step 3: Cross multiply
    8,412,781.68x = 12,621,296.16 × 2,347,508.31
  4. Step 4: Simplify right side
    8,412,781.68x = 29,628,597,618,571.09
  5. Step 5: Solve for x
    x = 29,628,597,618,571.09/8,412,781.68
  6. Step 6: Final answer
    x = 3,521,855.05

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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.