Home / 12,231,857.80-18,343,121.10-3,709,361.80

Finding the Fourth Proportional to 12,231,857.80, 18,343,121.10 and 3,709,361.80

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Solution

The fourth proportional to 12,231,857.80, 18,343,121.10 and 3,709,361.80 is: 5,562,627.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231,857.80 : 18,343,121.10 = 3,709,361.80 : x
  2. Step 2: Convert to fraction form
    12,231,857.80/18,343,121.10 = 3,709,361.80/x
  3. Step 3: Cross multiply
    12,231,857.80x = 18,343,121.10 × 3,709,361.80
  4. Step 4: Simplify right side
    12,231,857.80x = 68,041,272,701,113.98
  5. Step 5: Solve for x
    x = 68,041,272,701,113.98/12,231,857.80
  6. Step 6: Final answer
    x = 5,562,627.84

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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.