Home / 10,770,816.70-16,128,231.45-8,512,666.30

Finding the Fourth Proportional to 10,770,816.70, 16,128,231.45 and 8,512,666.30

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Solution

The fourth proportional to 10,770,816.70, 16,128,231.45 and 8,512,666.30 is: 12,746,874.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,770,816.70 : 16,128,231.45 = 8,512,666.30 : x
  2. Step 2: Convert to fraction form
    10,770,816.70/16,128,231.45 = 8,512,666.30/x
  3. Step 3: Cross multiply
    10,770,816.70x = 16,128,231.45 × 8,512,666.30
  4. Step 4: Simplify right side
    10,770,816.70x = 137,294,252,343,015.14
  5. Step 5: Solve for x
    x = 137,294,252,343,015.14/10,770,816.70
  6. Step 6: Final answer
    x = 12,746,874.83

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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.