Home / 20,272,249.14-30,408,120.09-4,919,666.01

Finding the Fourth Proportional to 20,272,249.14, 30,408,120.09 and 4,919,666.01

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Solution

The fourth proportional to 20,272,249.14, 30,408,120.09 and 4,919,666.01 is: 7,379,437.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,272,249.14 : 30,408,120.09 = 4,919,666.01 : x
  2. Step 2: Convert to fraction form
    20,272,249.14/30,408,120.09 = 4,919,666.01/x
  3. Step 3: Cross multiply
    20,272,249.14x = 30,408,120.09 × 4,919,666.01
  4. Step 4: Simplify right side
    20,272,249.14x = 149,597,794,834,771.12
  5. Step 5: Solve for x
    x = 149,597,794,834,771.12/20,272,249.14
  6. Step 6: Final answer
    x = 7,379,437.47

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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.