Home / 9,205,409.25-12,708,914.04-8,183,992.77

Finding the Fourth Proportional to 9,205,409.25, 12,708,914.04 and 8,183,992.77

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Solution

The fourth proportional to 9,205,409.25, 12,708,914.04 and 8,183,992.77 is: 11,298,754.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205,409.25 : 12,708,914.04 = 8,183,992.77 : x
  2. Step 2: Convert to fraction form
    9,205,409.25/12,708,914.04 = 8,183,992.77/x
  3. Step 3: Cross multiply
    9,205,409.25x = 12,708,914.04 × 8,183,992.77
  4. Step 4: Simplify right side
    9,205,409.25x = 104,009,660,617,911.48
  5. Step 5: Solve for x
    x = 104,009,660,617,911.48/9,205,409.25
  6. Step 6: Final answer
    x = 11,298,754.66

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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.