Home / 11,871,198.43-17,783,756.46-8,749,574.18

Finding the Fourth Proportional to 11,871,198.43, 17,783,756.46 and 8,749,574.18

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Solution

The fourth proportional to 11,871,198.43, 17,783,756.46 and 8,749,574.18 is: 13,107,378.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871,198.43 : 17,783,756.46 = 8,749,574.18 : x
  2. Step 2: Convert to fraction form
    11,871,198.43/17,783,756.46 = 8,749,574.18/x
  3. Step 3: Cross multiply
    11,871,198.43x = 17,783,756.46 × 8,749,574.18
  4. Step 4: Simplify right side
    11,871,198.43x = 155,600,296,435,930.03
  5. Step 5: Solve for x
    x = 155,600,296,435,930.03/11,871,198.43
  6. Step 6: Final answer
    x = 13,107,378.95

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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.