Home / 9,749,786.20-13,454,696.50-5,398,872.28

Finding the Fourth Proportional to 9,749,786.20, 13,454,696.50 and 5,398,872.28

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Solution

The fourth proportional to 9,749,786.20, 13,454,696.50 and 5,398,872.28 is: 7,450,439.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,749,786.20 : 13,454,696.50 = 5,398,872.28 : x
  2. Step 2: Convert to fraction form
    9,749,786.20/13,454,696.50 = 5,398,872.28/x
  3. Step 3: Cross multiply
    9,749,786.20x = 13,454,696.50 × 5,398,872.28
  4. Step 4: Simplify right side
    9,749,786.20x = 72,640,187,969,663.03
  5. Step 5: Solve for x
    x = 72,640,187,969,663.03/9,749,786.20
  6. Step 6: Final answer
    x = 7,450,439.06

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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.