Home / 13,021,809.56-19,532,704.07-3,923,907.25

Finding the Fourth Proportional to 13,021,809.56, 19,532,704.07 and 3,923,907.25

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Solution

The fourth proportional to 13,021,809.56, 19,532,704.07 and 3,923,907.25 is: 5,885,857.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021,809.56 : 19,532,704.07 = 3,923,907.25 : x
  2. Step 2: Convert to fraction form
    13,021,809.56/19,532,704.07 = 3,923,907.25/x
  3. Step 3: Cross multiply
    13,021,809.56x = 19,532,704.07 × 3,923,907.25
  4. Step 4: Simplify right side
    13,021,809.56x = 76,644,519,109,979.34
  5. Step 5: Solve for x
    x = 76,644,519,109,979.34/13,021,809.56
  6. Step 6: Final answer
    x = 5,885,857.78

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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.