Home / 9,163,481.78-12,644,867.40-5,296,253.42

Finding the Fourth Proportional to 9,163,481.78, 12,644,867.40 and 5,296,253.42

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Solution

The fourth proportional to 9,163,481.78, 12,644,867.40 and 5,296,253.42 is: 7,308,403.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163,481.78 : 12,644,867.40 = 5,296,253.42 : x
  2. Step 2: Convert to fraction form
    9,163,481.78/12,644,867.40 = 5,296,253.42/x
  3. Step 3: Cross multiply
    9,163,481.78x = 12,644,867.40 × 5,296,253.42
  4. Step 4: Simplify right side
    9,163,481.78x = 66,970,422,212,696.51
  5. Step 5: Solve for x
    x = 66,970,422,212,696.51/9,163,481.78
  6. Step 6: Final answer
    x = 7,308,403.49

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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.