Home / 13,481,465.39-20,222,345.71-3,896,926.96

Finding the Fourth Proportional to 13,481,465.39, 20,222,345.71 and 3,896,926.96

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Solution

The fourth proportional to 13,481,465.39, 20,222,345.71 and 3,896,926.96 is: 5,845,433.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481,465.39 : 20,222,345.71 = 3,896,926.96 : x
  2. Step 2: Convert to fraction form
    13,481,465.39/20,222,345.71 = 3,896,926.96/x
  3. Step 3: Cross multiply
    13,481,465.39x = 20,222,345.71 × 3,896,926.96
  4. Step 4: Simplify right side
    13,481,465.39x = 78,805,004,071,142.97
  5. Step 5: Solve for x
    x = 78,805,004,071,142.97/13,481,465.39
  6. Step 6: Final answer
    x = 5,845,433.10

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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.