Home / 11,105,872.20-16,640,145.90-5,413,840.20

Finding the Fourth Proportional to 11,105,872.20, 16,640,145.90 and 5,413,840.20

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Solution

The fourth proportional to 11,105,872.20, 16,640,145.90 and 5,413,840.20 is: 8,111,662.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,105,872.20 : 16,640,145.90 = 5,413,840.20 : x
  2. Step 2: Convert to fraction form
    11,105,872.20/16,640,145.90 = 5,413,840.20/x
  3. Step 3: Cross multiply
    11,105,872.20x = 16,640,145.90 × 5,413,840.20
  4. Step 4: Simplify right side
    11,105,872.20x = 90,087,090,807,285.19
  5. Step 5: Solve for x
    x = 90,087,090,807,285.19/11,105,872.20
  6. Step 6: Final answer
    x = 8,111,662.84

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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.