Home / 7,428,171.92-11,143,249.32-2,939,398.16

Finding the Fourth Proportional to 7,428,171.92, 11,143,249.32 and 2,939,398.16

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Solution

The fourth proportional to 7,428,171.92, 11,143,249.32 and 2,939,398.16 is: 4,409,489.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428,171.92 : 11,143,249.32 = 2,939,398.16 : x
  2. Step 2: Convert to fraction form
    7,428,171.92/11,143,249.32 = 2,939,398.16/x
  3. Step 3: Cross multiply
    7,428,171.92x = 11,143,249.32 × 2,939,398.16
  4. Step 4: Simplify right side
    7,428,171.92x = 32,754,446,547,629.25
  5. Step 5: Solve for x
    x = 32,754,446,547,629.25/7,428,171.92
  6. Step 6: Final answer
    x = 4,409,489.56

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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.