Home / 11,936,542.79-17,903,015.31-7,648,557.70

Finding the Fourth Proportional to 11,936,542.79, 17,903,015.31 and 7,648,557.70

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Solution

The fourth proportional to 11,936,542.79, 17,903,015.31 and 7,648,557.70 is: 11,471,683.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936,542.79 : 17,903,015.31 = 7,648,557.70 : x
  2. Step 2: Convert to fraction form
    11,936,542.79/17,903,015.31 = 7,648,557.70/x
  3. Step 3: Cross multiply
    11,936,542.79x = 17,903,015.31 × 7,648,557.70
  4. Step 4: Simplify right side
    11,936,542.79x = 136,932,245,529,078.73
  5. Step 5: Solve for x
    x = 136,932,245,529,078.73/11,936,542.79
  6. Step 6: Final answer
    x = 11,471,683.89

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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.