Home / 11,821,511.45-17,718,489.08-5,432,409.65

Finding the Fourth Proportional to 11,821,511.45, 17,718,489.08 and 5,432,409.65

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Solution

The fourth proportional to 11,821,511.45, 17,718,489.08 and 5,432,409.65 is: 8,142,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821,511.45 : 17,718,489.08 = 5,432,409.65 : x
  2. Step 2: Convert to fraction form
    11,821,511.45/17,718,489.08 = 5,432,409.65/x
  3. Step 3: Cross multiply
    11,821,511.45x = 17,718,489.08 × 5,432,409.65
  4. Step 4: Simplify right side
    11,821,511.45x = 96,254,091,034,449.58
  5. Step 5: Solve for x
    x = 96,254,091,034,449.58/11,821,511.45
  6. Step 6: Final answer
    x = 8,142,282.94

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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.