Home / 27,800,388.18-38,322,011.04-19,517,213.16

Finding the Fourth Proportional to 27,800,388.18, 38,322,011.04 and 19,517,213.16

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Solution

The fourth proportional to 27,800,388.18, 38,322,011.04 and 19,517,213.16 is: 26,903,899.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,800,388.18 : 38,322,011.04 = 19,517,213.16 : x
  2. Step 2: Convert to fraction form
    27,800,388.18/38,322,011.04 = 19,517,213.16/x
  3. Step 3: Cross multiply
    27,800,388.18x = 38,322,011.04 × 19,517,213.16
  4. Step 4: Simplify right side
    27,800,388.18x = 747,938,858,187,553.25
  5. Step 5: Solve for x
    x = 747,938,858,187,553.25/27,800,388.18
  6. Step 6: Final answer
    x = 26,903,899.81

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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.