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Finding the Fourth Proportional to 13,939,314.48, 20,910,021.48 and 3,841,848

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Solution

The fourth proportional to 13,939,314.48, 20,910,021.48 and 3,841,848 is: 5,763,061.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,939,314.48 : 20,910,021.48 = 3,841,848 : x
  2. Step 2: Convert to fraction form
    13,939,314.48/20,910,021.48 = 3,841,848/x
  3. Step 3: Cross multiply
    13,939,314.48x = 20,910,021.48 × 3,841,848
  4. Step 4: Simplify right side
    13,939,314.48x = 80,333,124,202,895.05
  5. Step 5: Solve for x
    x = 80,333,124,202,895.05/13,939,314.48
  6. Step 6: Final answer
    x = 5,763,061.33

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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.