Home / 12,156,522.80-18,234,784.20-11,596,650.80

Finding the Fourth Proportional to 12,156,522.80, 18,234,784.20 and 11,596,650.80

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Solution

The fourth proportional to 12,156,522.80, 18,234,784.20 and 11,596,650.80 is: 17,394,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156,522.80 : 18,234,784.20 = 11,596,650.80 : x
  2. Step 2: Convert to fraction form
    12,156,522.80/18,234,784.20 = 11,596,650.80/x
  3. Step 3: Cross multiply
    12,156,522.80x = 18,234,784.20 × 11,596,650.80
  4. Step 4: Simplify right side
    12,156,522.80x = 211,462,424,780,757.38
  5. Step 5: Solve for x
    x = 211,462,424,780,757.38/12,156,522.80
  6. Step 6: Final answer
    x = 17,394,976.20

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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.