Home / 6,725,781.12-9,281,782.40-3,825,589.12

Finding the Fourth Proportional to 6,725,781.12, 9,281,782.40 and 3,825,589.12

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Solution

The fourth proportional to 6,725,781.12, 9,281,782.40 and 3,825,589.12 is: 5,279,429.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,725,781.12 : 9,281,782.40 = 3,825,589.12 : x
  2. Step 2: Convert to fraction form
    6,725,781.12/9,281,782.40 = 3,825,589.12/x
  3. Step 3: Cross multiply
    6,725,781.12x = 9,281,782.40 × 3,825,589.12
  4. Step 4: Simplify right side
    6,725,781.12x = 35,508,285,763,647.49
  5. Step 5: Solve for x
    x = 35,508,285,763,647.49/6,725,781.12
  6. Step 6: Final answer
    x = 5,279,429.28

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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.