Home / 14,689,874.25-20,270,416.73-8,493,983.32

Finding the Fourth Proportional to 14,689,874.25, 20,270,416.73 and 8,493,983.32

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Solution

The fourth proportional to 14,689,874.25, 20,270,416.73 and 8,493,983.32 is: 11,720,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,689,874.25 : 20,270,416.73 = 8,493,983.32 : x
  2. Step 2: Convert to fraction form
    14,689,874.25/20,270,416.73 = 8,493,983.32/x
  3. Step 3: Cross multiply
    14,689,874.25x = 20,270,416.73 × 8,493,983.32
  4. Step 4: Simplify right side
    14,689,874.25x = 172,176,581,553,589.66
  5. Step 5: Solve for x
    x = 172,176,581,553,589.66/14,689,874.25
  6. Step 6: Final answer
    x = 11,720,766.20

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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.