Home / 12,378,770.37-18,546,188.34-5,174,423.01

Finding the Fourth Proportional to 12,378,770.37, 18,546,188.34 and 5,174,423.01

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Solution

The fourth proportional to 12,378,770.37, 18,546,188.34 and 5,174,423.01 is: 7,752,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,378,770.37 : 18,546,188.34 = 5,174,423.01 : x
  2. Step 2: Convert to fraction form
    12,378,770.37/18,546,188.34 = 5,174,423.01/x
  3. Step 3: Cross multiply
    12,378,770.37x = 18,546,188.34 × 5,174,423.01
  4. Step 4: Simplify right side
    12,378,770.37x = 95,965,823,694,289.70
  5. Step 5: Solve for x
    x = 95,965,823,694,289.70/12,378,770.37
  6. Step 6: Final answer
    x = 7,752,452.05

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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.