Home / 7,992,639.92-11,985,804.12-3,199,435.76

Finding the Fourth Proportional to 7,992,639.92, 11,985,804.12 and 3,199,435.76

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Solution

The fourth proportional to 7,992,639.92, 11,985,804.12 and 3,199,435.76 is: 4,797,890.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992,639.92 : 11,985,804.12 = 3,199,435.76 : x
  2. Step 2: Convert to fraction form
    7,992,639.92/11,985,804.12 = 3,199,435.76/x
  3. Step 3: Cross multiply
    7,992,639.92x = 11,985,804.12 × 3,199,435.76
  4. Step 4: Simplify right side
    7,992,639.92x = 38,347,810,313,883.33
  5. Step 5: Solve for x
    x = 38,347,810,313,883.33/7,992,639.92
  6. Step 6: Final answer
    x = 4,797,890.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.