Home / 11,639,745.33-16,057,285.43-9,043,659.69

Finding the Fourth Proportional to 11,639,745.33, 16,057,285.43 and 9,043,659.69

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Solution

The fourth proportional to 11,639,745.33, 16,057,285.43 and 9,043,659.69 is: 12,475,928.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639,745.33 : 16,057,285.43 = 9,043,659.69 : x
  2. Step 2: Convert to fraction form
    11,639,745.33/16,057,285.43 = 9,043,659.69/x
  3. Step 3: Cross multiply
    11,639,745.33x = 16,057,285.43 × 9,043,659.69
  4. Step 4: Simplify right side
    11,639,745.33x = 145,216,624,928,897.03
  5. Step 5: Solve for x
    x = 145,216,624,928,897.03/11,639,745.33
  6. Step 6: Final answer
    x = 12,475,928.02

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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.