Home / 13,025,803.86-17,963,846.82-8,131,480.20

Finding the Fourth Proportional to 13,025,803.86, 17,963,846.82 and 8,131,480.20

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Solution

The fourth proportional to 13,025,803.86, 17,963,846.82 and 8,131,480.20 is: 11,214,099.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025,803.86 : 17,963,846.82 = 8,131,480.20 : x
  2. Step 2: Convert to fraction form
    13,025,803.86/17,963,846.82 = 8,131,480.20/x
  3. Step 3: Cross multiply
    13,025,803.86x = 17,963,846.82 × 8,131,480.20
  4. Step 4: Simplify right side
    13,025,803.86x = 146,072,664,732,662.97
  5. Step 5: Solve for x
    x = 146,072,664,732,662.97/13,025,803.86
  6. Step 6: Final answer
    x = 11,214,099.82

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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.