Home / 7,383,858.49-10,190,236.22-4,121,309.71

Finding the Fourth Proportional to 7,383,858.49, 10,190,236.22 and 4,121,309.71

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Solution

The fourth proportional to 7,383,858.49, 10,190,236.22 and 4,121,309.71 is: 5,687,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383,858.49 : 10,190,236.22 = 4,121,309.71 : x
  2. Step 2: Convert to fraction form
    7,383,858.49/10,190,236.22 = 4,121,309.71/x
  3. Step 3: Cross multiply
    7,383,858.49x = 10,190,236.22 × 4,121,309.71
  4. Step 4: Simplify right side
    7,383,858.49x = 41,997,119,480,679.70
  5. Step 5: Solve for x
    x = 41,997,119,480,679.70/7,383,858.49
  6. Step 6: Final answer
    x = 5,687,692.90

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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.