Home / 5,425,890.40-8,138,835.60-3,300,143.20

Finding the Fourth Proportional to 5,425,890.40, 8,138,835.60 and 3,300,143.20

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Solution

The fourth proportional to 5,425,890.40, 8,138,835.60 and 3,300,143.20 is: 4,950,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425,890.40 : 8,138,835.60 = 3,300,143.20 : x
  2. Step 2: Convert to fraction form
    5,425,890.40/8,138,835.60 = 3,300,143.20/x
  3. Step 3: Cross multiply
    5,425,890.40x = 8,138,835.60 × 3,300,143.20
  4. Step 4: Simplify right side
    5,425,890.40x = 26,859,322,961,257.92
  5. Step 5: Solve for x
    x = 26,859,322,961,257.92/5,425,890.40
  6. Step 6: Final answer
    x = 4,950,214.80

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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.