Home / 7,193,107.20-10,789,660.80-1,874,323.20

Finding the Fourth Proportional to 7,193,107.20, 10,789,660.80 and 1,874,323.20

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Solution

The fourth proportional to 7,193,107.20, 10,789,660.80 and 1,874,323.20 is: 2,811,484.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193,107.20 : 10,789,660.80 = 1,874,323.20 : x
  2. Step 2: Convert to fraction form
    7,193,107.20/10,789,660.80 = 1,874,323.20/x
  3. Step 3: Cross multiply
    7,193,107.20x = 10,789,660.80 × 1,874,323.20
  4. Step 4: Simplify right side
    7,193,107.20x = 20,223,311,557,570.56
  5. Step 5: Solve for x
    x = 20,223,311,557,570.56/7,193,107.20
  6. Step 6: Final answer
    x = 2,811,484.80

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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.