Home / 18,790,008.73-28,178,099.74-6,490,843.18

Finding the Fourth Proportional to 18,790,008.73, 28,178,099.74 and 6,490,843.18

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Solution

The fourth proportional to 18,790,008.73, 28,178,099.74 and 6,490,843.18 is: 9,733,876.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,790,008.73 : 28,178,099.74 = 6,490,843.18 : x
  2. Step 2: Convert to fraction form
    18,790,008.73/28,178,099.74 = 6,490,843.18/x
  3. Step 3: Cross multiply
    18,790,008.73x = 28,178,099.74 × 6,490,843.18
  4. Step 4: Simplify right side
    18,790,008.73x = 182,899,626,522,738.75
  5. Step 5: Solve for x
    x = 182,899,626,522,738.75/18,790,008.73
  6. Step 6: Final answer
    x = 9,733,876.61

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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.