Home / 12,821,794.92-17,694,553.68-7,316,066.16

Finding the Fourth Proportional to 12,821,794.92, 17,694,553.68 and 7,316,066.16

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Solution

The fourth proportional to 12,821,794.92, 17,694,553.68 and 7,316,066.16 is: 10,096,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,821,794.92 : 17,694,553.68 = 7,316,066.16 : x
  2. Step 2: Convert to fraction form
    12,821,794.92/17,694,553.68 = 7,316,066.16/x
  3. Step 3: Cross multiply
    12,821,794.92x = 17,694,553.68 × 7,316,066.16
  4. Step 4: Simplify right side
    12,821,794.92x = 129,454,525,394,551.47
  5. Step 5: Solve for x
    x = 129,454,525,394,551.47/12,821,794.92
  6. Step 6: Final answer
    x = 10,096,443.30

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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.