Home / 10,770,818.70-16,128,234.45-8,512,668.30

Finding the Fourth Proportional to 10,770,818.70, 16,128,234.45 and 8,512,668.30

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Solution

The fourth proportional to 10,770,818.70, 16,128,234.45 and 8,512,668.30 is: 12,746,877.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,770,818.70 : 16,128,234.45 = 8,512,668.30 : x
  2. Step 2: Convert to fraction form
    10,770,818.70/16,128,234.45 = 8,512,668.30/x
  3. Step 3: Cross multiply
    10,770,818.70x = 16,128,234.45 × 8,512,668.30
  4. Step 4: Simplify right side
    10,770,818.70x = 137,294,310,137,482.94
  5. Step 5: Solve for x
    x = 137,294,310,137,482.94/10,770,818.70
  6. Step 6: Final answer
    x = 12,746,877.83

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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.