Home / 16,512,612.90-24,689,203.20-12,207,940.80

Finding the Fourth Proportional to 16,512,612.90, 24,689,203.20 and 12,207,940.80

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Solution

The fourth proportional to 16,512,612.90, 24,689,203.20 and 12,207,940.80 is: 18,252,976.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,512,612.90 : 24,689,203.20 = 12,207,940.80 : x
  2. Step 2: Convert to fraction form
    16,512,612.90/24,689,203.20 = 12,207,940.80/x
  3. Step 3: Cross multiply
    16,512,612.90x = 24,689,203.20 × 12,207,940.80
  4. Step 4: Simplify right side
    16,512,612.90x = 301,404,331,064,770.56
  5. Step 5: Solve for x
    x = 301,404,331,064,770.56/16,512,612.90
  6. Step 6: Final answer
    x = 18,252,976.25

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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.