Home / 12,230,940.85-16,878,709.17-6,724,409.39

Finding the Fourth Proportional to 12,230,940.85, 16,878,709.17 and 6,724,409.39

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Solution

The fourth proportional to 12,230,940.85, 16,878,709.17 and 6,724,409.39 is: 9,279,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230,940.85 : 16,878,709.17 = 6,724,409.39 : x
  2. Step 2: Convert to fraction form
    12,230,940.85/16,878,709.17 = 6,724,409.39/x
  3. Step 3: Cross multiply
    12,230,940.85x = 16,878,709.17 × 6,724,409.39
  4. Step 4: Simplify right side
    12,230,940.85x = 113,499,350,491,073.44
  5. Step 5: Solve for x
    x = 113,499,350,491,073.44/12,230,940.85
  6. Step 6: Final answer
    x = 9,279,690.90

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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.