Home / 28,520,201.76-42,777,269.92-8,049,415.20

Finding the Fourth Proportional to 28,520,201.76, 42,777,269.92 and 8,049,415.20

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Solution

The fourth proportional to 28,520,201.76, 42,777,269.92 and 8,049,415.20 is: 12,073,266.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,520,201.76 : 42,777,269.92 = 8,049,415.20 : x
  2. Step 2: Convert to fraction form
    28,520,201.76/42,777,269.92 = 8,049,415.20/x
  3. Step 3: Cross multiply
    28,520,201.76x = 42,777,269.92 × 8,049,415.20
  4. Step 4: Simplify right side
    28,520,201.76x = 344,332,006,708,550.81
  5. Step 5: Solve for x
    x = 344,332,006,708,550.81/28,520,201.76
  6. Step 6: Final answer
    x = 12,073,266.86

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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.