Home / 7,413,229.60-11,105,847.60-3,806,720.80

Finding the Fourth Proportional to 7,413,229.60, 11,105,847.60 and 3,806,720.80

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Solution

The fourth proportional to 7,413,229.60, 11,105,847.60 and 3,806,720.80 is: 5,702,893.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413,229.60 : 11,105,847.60 = 3,806,720.80 : x
  2. Step 2: Convert to fraction form
    7,413,229.60/11,105,847.60 = 3,806,720.80/x
  3. Step 3: Cross multiply
    7,413,229.60x = 11,105,847.60 × 3,806,720.80
  4. Step 4: Simplify right side
    7,413,229.60x = 42,276,861,060,550.08
  5. Step 5: Solve for x
    x = 42,276,861,060,550.08/7,413,229.60
  6. Step 6: Final answer
    x = 5,702,893.79

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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.