Home / 17,721,458.47-26,582,187.72-4,258,286.47

Finding the Fourth Proportional to 17,721,458.47, 26,582,187.72 and 4,258,286.47

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Solution

The fourth proportional to 17,721,458.47, 26,582,187.72 and 4,258,286.47 is: 6,387,429.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721,458.47 : 26,582,187.72 = 4,258,286.47 : x
  2. Step 2: Convert to fraction form
    17,721,458.47/26,582,187.72 = 4,258,286.47/x
  3. Step 3: Cross multiply
    17,721,458.47x = 26,582,187.72 × 4,258,286.47
  4. Step 4: Simplify right side
    17,721,458.47x = 113,194,570,311,076.14
  5. Step 5: Solve for x
    x = 113,194,570,311,076.14/17,721,458.47
  6. Step 6: Final answer
    x = 6,387,429.71

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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.