Home / 13,614,168.22-18,787,555.47-7,419,216.76

Finding the Fourth Proportional to 13,614,168.22, 18,787,555.47 and 7,419,216.76

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Solution

The fourth proportional to 13,614,168.22, 18,787,555.47 and 7,419,216.76 is: 10,238,520.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,168.22 : 18,787,555.47 = 7,419,216.76 : x
  2. Step 2: Convert to fraction form
    13,614,168.22/18,787,555.47 = 7,419,216.76/x
  3. Step 3: Cross multiply
    13,614,168.22x = 18,787,555.47 × 7,419,216.76
  4. Step 4: Simplify right side
    13,614,168.22x = 139,388,946,422,453.67
  5. Step 5: Solve for x
    x = 139,388,946,422,453.67/13,614,168.22
  6. Step 6: Final answer
    x = 10,238,520.94

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Double scale
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1.5x scale

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.