Home / 10,077,190.80-15,115,786.20-8,282,101.20

Finding the Fourth Proportional to 10,077,190.80, 15,115,786.20 and 8,282,101.20

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Solution

The fourth proportional to 10,077,190.80, 15,115,786.20 and 8,282,101.20 is: 12,423,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077,190.80 : 15,115,786.20 = 8,282,101.20 : x
  2. Step 2: Convert to fraction form
    10,077,190.80/15,115,786.20 = 8,282,101.20/x
  3. Step 3: Cross multiply
    10,077,190.80x = 15,115,786.20 × 8,282,101.20
  4. Step 4: Simplify right side
    10,077,190.80x = 125,190,471,025,963.44
  5. Step 5: Solve for x
    x = 125,190,471,025,963.44/10,077,190.80
  6. Step 6: Final answer
    x = 12,423,151.80

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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.