Home / 22,419,145.80-33,691,704.30-19,647,779.40

Finding the Fourth Proportional to 22,419,145.80, 33,691,704.30 and 19,647,779.40

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Solution

The fourth proportional to 22,419,145.80, 33,691,704.30 and 19,647,779.40 is: 29,526,868.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,419,145.80 : 33,691,704.30 = 19,647,779.40 : x
  2. Step 2: Convert to fraction form
    22,419,145.80/33,691,704.30 = 19,647,779.40/x
  3. Step 3: Cross multiply
    22,419,145.80x = 33,691,704.30 × 19,647,779.40
  4. Step 4: Simplify right side
    22,419,145.80x = 661,967,173,696,431.25
  5. Step 5: Solve for x
    x = 661,967,173,696,431.25/22,419,145.80
  6. Step 6: Final answer
    x = 29,526,868.67

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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.