Home / 15,285,234.23-21,093,790.66-8,315,951.40

Finding the Fourth Proportional to 15,285,234.23, 21,093,790.66 and 8,315,951.40

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Solution

The fourth proportional to 15,285,234.23, 21,093,790.66 and 8,315,951.40 is: 11,476,104.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285,234.23 : 21,093,790.66 = 8,315,951.40 : x
  2. Step 2: Convert to fraction form
    15,285,234.23/21,093,790.66 = 8,315,951.40/x
  3. Step 3: Cross multiply
    15,285,234.23x = 21,093,790.66 × 8,315,951.40
  4. Step 4: Simplify right side
    15,285,234.23x = 175,414,937,970,333.94
  5. Step 5: Solve for x
    x = 175,414,937,970,333.94/15,285,234.23
  6. Step 6: Final answer
    x = 11,476,104.02

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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.