Home / 7,876,618.84-11,808,189.19-3,022,408.86

Finding the Fourth Proportional to 7,876,618.84, 11,808,189.19 and 3,022,408.86

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Solution

The fourth proportional to 7,876,618.84, 11,808,189.19 and 3,022,408.86 is: 4,531,027.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,618.84 : 11,808,189.19 = 3,022,408.86 : x
  2. Step 2: Convert to fraction form
    7,876,618.84/11,808,189.19 = 3,022,408.86/x
  3. Step 3: Cross multiply
    7,876,618.84x = 11,808,189.19 × 3,022,408.86
  4. Step 4: Simplify right side
    7,876,618.84x = 35,689,175,628,412.22
  5. Step 5: Solve for x
    x = 35,689,175,628,412.22/7,876,618.84
  6. Step 6: Final answer
    x = 4,531,027.38

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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.