Home / 10,921,115.70-16,381,673.55-2,942,939.70

Finding the Fourth Proportional to 10,921,115.70, 16,381,673.55 and 2,942,939.70

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Solution

The fourth proportional to 10,921,115.70, 16,381,673.55 and 2,942,939.70 is: 4,414,409.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,115.70 : 16,381,673.55 = 2,942,939.70 : x
  2. Step 2: Convert to fraction form
    10,921,115.70/16,381,673.55 = 2,942,939.70/x
  3. Step 3: Cross multiply
    10,921,115.70x = 16,381,673.55 × 2,942,939.70
  4. Step 4: Simplify right side
    10,921,115.70x = 48,210,277,442,734.94
  5. Step 5: Solve for x
    x = 48,210,277,442,734.94/10,921,115.70
  6. Step 6: Final answer
    x = 4,414,409.55

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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.