Home / 12,815,843.59-17,685,799.71-6,935,473.53

Finding the Fourth Proportional to 12,815,843.59, 17,685,799.71 and 6,935,473.53

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Solution

The fourth proportional to 12,815,843.59, 17,685,799.71 and 6,935,473.53 is: 9,570,918.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,815,843.59 : 17,685,799.71 = 6,935,473.53 : x
  2. Step 2: Convert to fraction form
    12,815,843.59/17,685,799.71 = 6,935,473.53/x
  3. Step 3: Cross multiply
    12,815,843.59x = 17,685,799.71 × 6,935,473.53
  4. Step 4: Simplify right side
    12,815,843.59x = 122,659,395,719,578.66
  5. Step 5: Solve for x
    x = 122,659,395,719,578.66/12,815,843.59
  6. Step 6: Final answer
    x = 9,570,918.59

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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.