Home / 18,440,791.50-25,459,777.10-11,738,905.60

Finding the Fourth Proportional to 18,440,791.50, 25,459,777.10 and 11,738,905.60

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Solution

The fourth proportional to 18,440,791.50, 25,459,777.10 and 11,738,905.60 is: 16,207,000.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440,791.50 : 25,459,777.10 = 11,738,905.60 : x
  2. Step 2: Convert to fraction form
    18,440,791.50/25,459,777.10 = 11,738,905.60/x
  3. Step 3: Cross multiply
    18,440,791.50x = 25,459,777.10 × 11,738,905.60
  4. Step 4: Simplify right side
    18,440,791.50x = 298,869,919,921,345.31
  5. Step 5: Solve for x
    x = 298,869,919,921,345.31/18,440,791.50
  6. Step 6: Final answer
    x = 16,207,000.65

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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.