Home / 12,982,397.53-17,821,892.53-11,143,663.62

Finding the Fourth Proportional to 12,982,397.53, 17,821,892.53 and 11,143,663.62

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Solution

The fourth proportional to 12,982,397.53, 17,821,892.53 and 11,143,663.62 is: 15,297,727.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,982,397.53 : 17,821,892.53 = 11,143,663.62 : x
  2. Step 2: Convert to fraction form
    12,982,397.53/17,821,892.53 = 11,143,663.62/x
  3. Step 3: Cross multiply
    12,982,397.53x = 17,821,892.53 × 11,143,663.62
  4. Step 4: Simplify right side
    12,982,397.53x = 198,601,175,426,110.75
  5. Step 5: Solve for x
    x = 198,601,175,426,110.75/12,982,397.53
  6. Step 6: Final answer
    x = 15,297,727.17

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.