Home / 8,101,195.20-12,151,792.80-2,117,563.20

Finding the Fourth Proportional to 8,101,195.20, 12,151,792.80 and 2,117,563.20

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Solution

The fourth proportional to 8,101,195.20, 12,151,792.80 and 2,117,563.20 is: 3,176,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101,195.20 : 12,151,792.80 = 2,117,563.20 : x
  2. Step 2: Convert to fraction form
    8,101,195.20/12,151,792.80 = 2,117,563.20/x
  3. Step 3: Cross multiply
    8,101,195.20x = 12,151,792.80 × 2,117,563.20
  4. Step 4: Simplify right side
    8,101,195.20x = 25,732,189,247,304.96
  5. Step 5: Solve for x
    x = 25,732,189,247,304.96/8,101,195.20
  6. Step 6: Final answer
    x = 3,176,344.80

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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.