Home / 18,085,361.10-27,131,030.55-8,379,673.80

Finding the Fourth Proportional to 18,085,361.10, 27,131,030.55 and 8,379,673.80

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Solution

The fourth proportional to 18,085,361.10, 27,131,030.55 and 8,379,673.80 is: 12,570,895.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085,361.10 : 27,131,030.55 = 8,379,673.80 : x
  2. Step 2: Convert to fraction form
    18,085,361.10/27,131,030.55 = 8,379,673.80/x
  3. Step 3: Cross multiply
    18,085,361.10x = 27,131,030.55 × 8,379,673.80
  4. Step 4: Simplify right side
    18,085,361.10x = 227,349,185,866,834.59
  5. Step 5: Solve for x
    x = 227,349,185,866,834.59/18,085,361.10
  6. Step 6: Final answer
    x = 12,570,895.58

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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.