Home / 12,379,361.86-18,544,886.70-8,106,576.22

Finding the Fourth Proportional to 12,379,361.86, 18,544,886.70 and 8,106,576.22

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Solution

The fourth proportional to 12,379,361.86, 18,544,886.70 and 8,106,576.22 is: 12,144,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379,361.86 : 18,544,886.70 = 8,106,576.22 : x
  2. Step 2: Convert to fraction form
    12,379,361.86/18,544,886.70 = 8,106,576.22/x
  3. Step 3: Cross multiply
    12,379,361.86x = 18,544,886.70 × 8,106,576.22
  4. Step 4: Simplify right side
    12,379,361.86x = 150,335,537,524,814.25
  5. Step 5: Solve for x
    x = 150,335,537,524,814.25/12,379,361.86
  6. Step 6: Final answer
    x = 12,144,045.81

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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.