Home / 12,710,786.50-17,540,515.69-7,204,668.04

Finding the Fourth Proportional to 12,710,786.50, 17,540,515.69 and 7,204,668.04

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Solution

The fourth proportional to 12,710,786.50, 17,540,515.69 and 7,204,668.04 is: 9,942,232.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710,786.50 : 17,540,515.69 = 7,204,668.04 : x
  2. Step 2: Convert to fraction form
    12,710,786.50/17,540,515.69 = 7,204,668.04/x
  3. Step 3: Cross multiply
    12,710,786.50x = 17,540,515.69 × 7,204,668.04
  4. Step 4: Simplify right side
    12,710,786.50x = 126,373,592,796,861.56
  5. Step 5: Solve for x
    x = 126,373,592,796,861.56/12,710,786.50
  6. Step 6: Final answer
    x = 9,942,232.35

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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.