Home / 12,387,072.30-18,580,608.45-5,566,912.80

Finding the Fourth Proportional to 12,387,072.30, 18,580,608.45 and 5,566,912.80

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Solution

The fourth proportional to 12,387,072.30, 18,580,608.45 and 5,566,912.80 is: 8,350,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,387,072.30 : 18,580,608.45 = 5,566,912.80 : x
  2. Step 2: Convert to fraction form
    12,387,072.30/18,580,608.45 = 5,566,912.80/x
  3. Step 3: Cross multiply
    12,387,072.30x = 18,580,608.45 × 5,566,912.80
  4. Step 4: Simplify right side
    12,387,072.30x = 103,436,627,012,093.16
  5. Step 5: Solve for x
    x = 103,436,627,012,093.16/12,387,072.30
  6. Step 6: Final answer
    x = 8,350,369.20

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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.