Home / 13,682,270.86-18,902,042.41-8,983,813.44

Finding the Fourth Proportional to 13,682,270.86, 18,902,042.41 and 8,983,813.44

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Solution

The fourth proportional to 13,682,270.86, 18,902,042.41 and 8,983,813.44 is: 12,411,128.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,682,270.86 : 18,902,042.41 = 8,983,813.44 : x
  2. Step 2: Convert to fraction form
    13,682,270.86/18,902,042.41 = 8,983,813.44/x
  3. Step 3: Cross multiply
    13,682,270.86x = 18,902,042.41 × 8,983,813.44
  4. Step 4: Simplify right side
    13,682,270.86x = 169,812,422,644,575.84
  5. Step 5: Solve for x
    x = 169,812,422,644,575.84/13,682,270.86
  6. Step 6: Final answer
    x = 12,411,128.56

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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.