Home / 9,091,974.39-12,547,217.25-5,171,629.71

Finding the Fourth Proportional to 9,091,974.39, 12,547,217.25 and 5,171,629.71

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Solution

The fourth proportional to 9,091,974.39, 12,547,217.25 and 5,171,629.71 is: 7,137,015.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091,974.39 : 12,547,217.25 = 5,171,629.71 : x
  2. Step 2: Convert to fraction form
    9,091,974.39/12,547,217.25 = 5,171,629.71/x
  3. Step 3: Cross multiply
    9,091,974.39x = 12,547,217.25 × 5,171,629.71
  4. Step 4: Simplify right side
    9,091,974.39x = 64,889,561,507,924.50
  5. Step 5: Solve for x
    x = 64,889,561,507,924.50/9,091,974.39
  6. Step 6: Final answer
    x = 7,137,015.43

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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.