Home / 20,519,450.35-30,853,005.00-18,919,788.94

Finding the Fourth Proportional to 20,519,450.35, 30,853,005.00 and 18,919,788.94

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Solution

The fourth proportional to 20,519,450.35, 30,853,005.00 and 18,919,788.94 is: 28,447,757.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,519,450.35 : 30,853,005.00 = 18,919,788.94 : x
  2. Step 2: Convert to fraction form
    20,519,450.35/30,853,005.00 = 18,919,788.94/x
  3. Step 3: Cross multiply
    20,519,450.35x = 30,853,005.00 × 18,919,788.94
  4. Step 4: Simplify right side
    20,519,450.35x = 583,732,342,732,381.75
  5. Step 5: Solve for x
    x = 583,732,342,732,381.75/20,519,450.35
  6. Step 6: Final answer
    x = 28,447,757.27

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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.