Home / 7,186,544.52-9,917,581.86-3,923,496.78

Finding the Fourth Proportional to 7,186,544.52, 9,917,581.86 and 3,923,496.78

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Solution

The fourth proportional to 7,186,544.52, 9,917,581.86 and 3,923,496.78 is: 5,414,507.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186,544.52 : 9,917,581.86 = 3,923,496.78 : x
  2. Step 2: Convert to fraction form
    7,186,544.52/9,917,581.86 = 3,923,496.78/x
  3. Step 3: Cross multiply
    7,186,544.52x = 9,917,581.86 × 3,923,496.78
  4. Step 4: Simplify right side
    7,186,544.52x = 38,911,600,493,096.41
  5. Step 5: Solve for x
    x = 38,911,600,493,096.41/7,186,544.52
  6. Step 6: Final answer
    x = 5,414,507.68

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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.