Home / 12,434,621.32-18,651,965.26-3,459,174.28

Finding the Fourth Proportional to 12,434,621.32, 18,651,965.26 and 3,459,174.28

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Solution

The fourth proportional to 12,434,621.32, 18,651,965.26 and 3,459,174.28 is: 5,188,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434,621.32 : 18,651,965.26 = 3,459,174.28 : x
  2. Step 2: Convert to fraction form
    12,434,621.32/18,651,965.26 = 3,459,174.28/x
  3. Step 3: Cross multiply
    12,434,621.32x = 18,651,965.26 × 3,459,174.28
  4. Step 4: Simplify right side
    12,434,621.32x = 64,520,398,498,845.52
  5. Step 5: Solve for x
    x = 64,520,398,498,845.52/12,434,621.32
  6. Step 6: Final answer
    x = 5,188,770.68

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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.