Home / 12,256,548.30-18,393,679.80-6,859,469.70

Finding the Fourth Proportional to 12,256,548.30, 18,393,679.80 and 6,859,469.70

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Solution

The fourth proportional to 12,256,548.30, 18,393,679.80 and 6,859,469.70 is: 10,294,161.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256,548.30 : 18,393,679.80 = 6,859,469.70 : x
  2. Step 2: Convert to fraction form
    12,256,548.30/18,393,679.80 = 6,859,469.70/x
  3. Step 3: Cross multiply
    12,256,548.30x = 18,393,679.80 × 6,859,469.70
  4. Step 4: Simplify right side
    12,256,548.30x = 126,170,889,259,602.06
  5. Step 5: Solve for x
    x = 126,170,889,259,602.06/12,256,548.30
  6. Step 6: Final answer
    x = 10,294,161.63

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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.