Home / 11,929,279.72-16,462,872.02-6,773,121

Finding the Fourth Proportional to 11,929,279.72, 16,462,872.02 and 6,773,121

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Solution

The fourth proportional to 11,929,279.72, 16,462,872.02 and 6,773,121 is: 9,347,171.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929,279.72 : 16,462,872.02 = 6,773,121 : x
  2. Step 2: Convert to fraction form
    11,929,279.72/16,462,872.02 = 6,773,121/x
  3. Step 3: Cross multiply
    11,929,279.72x = 16,462,872.02 × 6,773,121
  4. Step 4: Simplify right side
    11,929,279.72x = 111,505,024,198,974.42
  5. Step 5: Solve for x
    x = 111,505,024,198,974.42/11,929,279.72
  6. Step 6: Final answer
    x = 9,347,171.57

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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.