Home / 12,117,724.89-18,176,537.52-4,929,198.05

Finding the Fourth Proportional to 12,117,724.89, 18,176,537.52 and 4,929,198.05

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Solution

The fourth proportional to 12,117,724.89, 18,176,537.52 and 4,929,198.05 is: 7,393,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117,724.89 : 18,176,537.52 = 4,929,198.05 : x
  2. Step 2: Convert to fraction form
    12,117,724.89/18,176,537.52 = 4,929,198.05/x
  3. Step 3: Cross multiply
    12,117,724.89x = 18,176,537.52 × 4,929,198.05
  4. Step 4: Simplify right side
    12,117,724.89x = 89,595,753,208,453.14
  5. Step 5: Solve for x
    x = 89,595,753,208,453.14/12,117,724.89
  6. Step 6: Final answer
    x = 7,393,776.80

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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.