Home / 11,278,665.80-16,917,998.70-3,705,878.60

Finding the Fourth Proportional to 11,278,665.80, 16,917,998.70 and 3,705,878.60

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Solution

The fourth proportional to 11,278,665.80, 16,917,998.70 and 3,705,878.60 is: 5,558,817.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278,665.80 : 16,917,998.70 = 3,705,878.60 : x
  2. Step 2: Convert to fraction form
    11,278,665.80/16,917,998.70 = 3,705,878.60/x
  3. Step 3: Cross multiply
    11,278,665.80x = 16,917,998.70 × 3,705,878.60
  4. Step 4: Simplify right side
    11,278,665.80x = 62,696,049,337,157.82
  5. Step 5: Solve for x
    x = 62,696,049,337,157.82/11,278,665.80
  6. Step 6: Final answer
    x = 5,558,817.90

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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.