Home / 13,755,162.28-18,982,321.20-7,560,782.46

Finding the Fourth Proportional to 13,755,162.28, 18,982,321.20 and 7,560,782.46

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Solution

The fourth proportional to 13,755,162.28, 18,982,321.20 and 7,560,782.46 is: 10,433,988.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755,162.28 : 18,982,321.20 = 7,560,782.46 : x
  2. Step 2: Convert to fraction form
    13,755,162.28/18,982,321.20 = 7,560,782.46/x
  3. Step 3: Cross multiply
    13,755,162.28x = 18,982,321.20 × 7,560,782.46
  4. Step 4: Simplify right side
    13,755,162.28x = 143,521,201,179,046.16
  5. Step 5: Solve for x
    x = 143,521,201,179,046.16/13,755,162.28
  6. Step 6: Final answer
    x = 10,433,988.22

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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.