Home / 6,900,072.86-9,522,137.97-3,959,655.78

Finding the Fourth Proportional to 6,900,072.86, 9,522,137.97 and 3,959,655.78

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Solution

The fourth proportional to 6,900,072.86, 9,522,137.97 and 3,959,655.78 is: 5,464,346.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900,072.86 : 9,522,137.97 = 3,959,655.78 : x
  2. Step 2: Convert to fraction form
    6,900,072.86/9,522,137.97 = 3,959,655.78/x
  3. Step 3: Cross multiply
    6,900,072.86x = 9,522,137.97 × 3,959,655.78
  4. Step 4: Simplify right side
    6,900,072.86x = 37,704,388,650,867.97
  5. Step 5: Solve for x
    x = 37,704,388,650,867.97/6,900,072.86
  6. Step 6: Final answer
    x = 5,464,346.46

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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.