Home / 6,873,928.48-9,486,321.54-3,818,142.73

Finding the Fourth Proportional to 6,873,928.48, 9,486,321.54 and 3,818,142.73

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Solution

The fourth proportional to 6,873,928.48, 9,486,321.54 and 3,818,142.73 is: 5,269,203.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873,928.48 : 9,486,321.54 = 3,818,142.73 : x
  2. Step 2: Convert to fraction form
    6,873,928.48/9,486,321.54 = 3,818,142.73/x
  3. Step 3: Cross multiply
    6,873,928.48x = 9,486,321.54 × 3,818,142.73
  4. Step 4: Simplify right side
    6,873,928.48x = 36,220,129,622,393.40
  5. Step 5: Solve for x
    x = 36,220,129,622,393.40/6,873,928.48
  6. Step 6: Final answer
    x = 5,269,203.74

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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.