Home / 11,992,421.70-17,989,892.66-3,906,027.02

Finding the Fourth Proportional to 11,992,421.70, 17,989,892.66 and 3,906,027.02

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Solution

The fourth proportional to 11,992,421.70, 17,989,892.66 and 3,906,027.02 is: 5,859,450.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992,421.70 : 17,989,892.66 = 3,906,027.02 : x
  2. Step 2: Convert to fraction form
    11,992,421.70/17,989,892.66 = 3,906,027.02/x
  3. Step 3: Cross multiply
    11,992,421.70x = 17,989,892.66 × 3,906,027.02
  4. Step 4: Simplify right side
    11,992,421.70x = 70,269,006,816,859.67
  5. Step 5: Solve for x
    x = 70,269,006,816,859.67/11,992,421.70
  6. Step 6: Final answer
    x = 5,859,450.96

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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.