Home / 14,978,127.88-20,669,615.48-8,362,817.94

Finding the Fourth Proportional to 14,978,127.88, 20,669,615.48 and 8,362,817.94

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Solution

The fourth proportional to 14,978,127.88, 20,669,615.48 and 8,362,817.94 is: 11,540,576.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,978,127.88 : 20,669,615.48 = 8,362,817.94 : x
  2. Step 2: Convert to fraction form
    14,978,127.88/20,669,615.48 = 8,362,817.94/x
  3. Step 3: Cross multiply
    14,978,127.88x = 20,669,615.48 × 8,362,817.94
  4. Step 4: Simplify right side
    14,978,127.88x = 172,856,231,149,045.72
  5. Step 5: Solve for x
    x = 172,856,231,149,045.72/14,978,127.88
  6. Step 6: Final answer
    x = 11,540,576.53

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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.