Home / 12,653,409.94-18,981,000.74-5,080,375.69

Finding the Fourth Proportional to 12,653,409.94, 18,981,000.74 and 5,080,375.69

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Solution

The fourth proportional to 12,653,409.94, 18,981,000.74 and 5,080,375.69 is: 7,620,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,653,409.94 : 18,981,000.74 = 5,080,375.69 : x
  2. Step 2: Convert to fraction form
    12,653,409.94/18,981,000.74 = 5,080,375.69/x
  3. Step 3: Cross multiply
    12,653,409.94x = 18,981,000.74 × 5,080,375.69
  4. Step 4: Simplify right side
    12,653,409.94x = 96,430,614,696,616.45
  5. Step 5: Solve for x
    x = 96,430,614,696,616.45/12,653,409.94
  6. Step 6: Final answer
    x = 7,620,919.20

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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.