Home / 7,377,897.89-11,066,015.76-1,986,942.89

Finding the Fourth Proportional to 7,377,897.89, 11,066,015.76 and 1,986,942.89

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Solution

The fourth proportional to 7,377,897.89, 11,066,015.76 and 1,986,942.89 is: 2,980,190.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377,897.89 : 11,066,015.76 = 1,986,942.89 : x
  2. Step 2: Convert to fraction form
    7,377,897.89/11,066,015.76 = 1,986,942.89/x
  3. Step 3: Cross multiply
    7,377,897.89x = 11,066,015.76 × 1,986,942.89
  4. Step 4: Simplify right side
    7,377,897.89x = 21,987,541,279,629.87
  5. Step 5: Solve for x
    x = 21,987,541,279,629.87/7,377,897.89
  6. Step 6: Final answer
    x = 2,980,190.51

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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.