Home / 20,661,137.24-30,991,729.01-5,308,554.11

Finding the Fourth Proportional to 20,661,137.24, 30,991,729.01 and 5,308,554.11

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Solution

The fourth proportional to 20,661,137.24, 30,991,729.01 and 5,308,554.11 is: 7,962,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,661,137.24 : 30,991,729.01 = 5,308,554.11 : x
  2. Step 2: Convert to fraction form
    20,661,137.24/30,991,729.01 = 5,308,554.11/x
  3. Step 3: Cross multiply
    20,661,137.24x = 30,991,729.01 × 5,308,554.11
  4. Step 4: Simplify right side
    20,661,137.24x = 164,521,270,230,540.31
  5. Step 5: Solve for x
    x = 164,521,270,230,540.31/20,661,137.24
  6. Step 6: Final answer
    x = 7,962,837.11

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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.