Home / 10,113,128.22-15,171,791.84-3,381,367.26

Finding the Fourth Proportional to 10,113,128.22, 15,171,791.84 and 3,381,367.26

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Solution

The fourth proportional to 10,113,128.22, 15,171,791.84 and 3,381,367.26 is: 5,072,752.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113,128.22 : 15,171,791.84 = 3,381,367.26 : x
  2. Step 2: Convert to fraction form
    10,113,128.22/15,171,791.84 = 3,381,367.26/x
  3. Step 3: Cross multiply
    10,113,128.22x = 15,171,791.84 × 3,381,367.26
  4. Step 4: Simplify right side
    10,113,128.22x = 51,301,400,203,311.16
  5. Step 5: Solve for x
    x = 51,301,400,203,311.16/10,113,128.22
  6. Step 6: Final answer
    x = 5,072,752.87

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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.