Home / 7,427,856.74-10,247,992.04-4,486,574.82

Finding the Fourth Proportional to 7,427,856.74, 10,247,992.04 and 4,486,574.82

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Solution

The fourth proportional to 7,427,856.74, 10,247,992.04 and 4,486,574.82 is: 6,189,993.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427,856.74 : 10,247,992.04 = 4,486,574.82 : x
  2. Step 2: Convert to fraction form
    7,427,856.74/10,247,992.04 = 4,486,574.82/x
  3. Step 3: Cross multiply
    7,427,856.74x = 10,247,992.04 × 4,486,574.82
  4. Step 4: Simplify right side
    7,427,856.74x = 45,978,383,053,440.88
  5. Step 5: Solve for x
    x = 45,978,383,053,440.88/7,427,856.74
  6. Step 6: Final answer
    x = 6,189,993.24

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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.