Home / 43,624,906.80-65,436,745.80-19,690,340.40

Finding the Fourth Proportional to 43,624,906.80, 65,436,745.80 and 19,690,340.40

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Solution

The fourth proportional to 43,624,906.80, 65,436,745.80 and 19,690,340.40 is: 29,535,233.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,624,906.80 : 65,436,745.80 = 19,690,340.40 : x
  2. Step 2: Convert to fraction form
    43,624,906.80/65,436,745.80 = 19,690,340.40/x
  3. Step 3: Cross multiply
    43,624,906.80x = 65,436,745.80 × 19,690,340.40
  4. Step 4: Simplify right side
    43,624,906.80x = 1,288,471,799,470,270.25
  5. Step 5: Solve for x
    x = 1,288,471,799,470,270.25/43,624,906.80
  6. Step 6: Final answer
    x = 29,535,233.29

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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.