Home / 15,056,379.84-20,777,769.60-8,180,889.60

Finding the Fourth Proportional to 15,056,379.84, 20,777,769.60 and 8,180,889.60

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Solution

The fourth proportional to 15,056,379.84, 20,777,769.60 and 8,180,889.60 is: 11,289,608.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,056,379.84 : 20,777,769.60 = 8,180,889.60 : x
  2. Step 2: Convert to fraction form
    15,056,379.84/20,777,769.60 = 8,180,889.60/x
  3. Step 3: Cross multiply
    15,056,379.84x = 20,777,769.60 × 8,180,889.60
  4. Step 4: Simplify right side
    15,056,379.84x = 169,980,639,231,836.16
  5. Step 5: Solve for x
    x = 169,980,639,231,836.16/15,056,379.84
  6. Step 6: Final answer
    x = 11,289,608.86

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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.