Home / 12,558,571.98-18,810,393.24-8,904,224.85

Finding the Fourth Proportional to 12,558,571.98, 18,810,393.24 and 8,904,224.85

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Solution

The fourth proportional to 12,558,571.98, 18,810,393.24 and 8,904,224.85 is: 13,336,864.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558,571.98 : 18,810,393.24 = 8,904,224.85 : x
  2. Step 2: Convert to fraction form
    12,558,571.98/18,810,393.24 = 8,904,224.85/x
  3. Step 3: Cross multiply
    12,558,571.98x = 18,810,393.24 × 8,904,224.85
  4. Step 4: Simplify right side
    12,558,571.98x = 167,491,970,925,880
  5. Step 5: Solve for x
    x = 167,491,970,925,880/12,558,571.98
  6. Step 6: Final answer
    x = 13,336,864.35

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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.