Home / 9,505,825.76-13,118,042.56-5,154,910.72

Finding the Fourth Proportional to 9,505,825.76, 13,118,042.56 and 5,154,910.72

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Solution

The fourth proportional to 9,505,825.76, 13,118,042.56 and 5,154,910.72 is: 7,113,778.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,505,825.76 : 13,118,042.56 = 5,154,910.72 : x
  2. Step 2: Convert to fraction form
    9,505,825.76/13,118,042.56 = 5,154,910.72/x
  3. Step 3: Cross multiply
    9,505,825.76x = 13,118,042.56 × 5,154,910.72
  4. Step 4: Simplify right side
    9,505,825.76x = 67,622,338,217,960.24
  5. Step 5: Solve for x
    x = 67,622,338,217,960.24/9,505,825.76
  6. Step 6: Final answer
    x = 7,113,778.43

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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.