Home / 12,650,152.80-18,930,992.40-11,588,469.60

Finding the Fourth Proportional to 12,650,152.80, 18,930,992.40 and 11,588,469.60

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Solution

The fourth proportional to 12,650,152.80, 18,930,992.40 and 11,588,469.60 is: 17,342,180.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650,152.80 : 18,930,992.40 = 11,588,469.60 : x
  2. Step 2: Convert to fraction form
    12,650,152.80/18,930,992.40 = 11,588,469.60/x
  3. Step 3: Cross multiply
    12,650,152.80x = 18,930,992.40 × 11,588,469.60
  4. Step 4: Simplify right side
    12,650,152.80x = 219,381,229,925,231.03
  5. Step 5: Solve for x
    x = 219,381,229,925,231.03/12,650,152.80
  6. Step 6: Final answer
    x = 17,342,180.24

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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.