Home / 8,300,105.40-12,452,490.90-4,040,412.60

Finding the Fourth Proportional to 8,300,105.40, 12,452,490.90 and 4,040,412.60

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Solution

The fourth proportional to 8,300,105.40, 12,452,490.90 and 4,040,412.60 is: 6,061,754.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300,105.40 : 12,452,490.90 = 4,040,412.60 : x
  2. Step 2: Convert to fraction form
    8,300,105.40/12,452,490.90 = 4,040,412.60/x
  3. Step 3: Cross multiply
    8,300,105.40x = 12,452,490.90 × 4,040,412.60
  4. Step 4: Simplify right side
    8,300,105.40x = 50,313,201,133,745.34
  5. Step 5: Solve for x
    x = 50,313,201,133,745.34/8,300,105.40
  6. Step 6: Final answer
    x = 6,061,754.48

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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.