Home / 25,907,815.40-38,861,723.10-7,954,586.60

Finding the Fourth Proportional to 25,907,815.40, 38,861,723.10 and 7,954,586.60

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Solution

The fourth proportional to 25,907,815.40, 38,861,723.10 and 7,954,586.60 is: 11,931,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,907,815.40 : 38,861,723.10 = 7,954,586.60 : x
  2. Step 2: Convert to fraction form
    25,907,815.40/38,861,723.10 = 7,954,586.60/x
  3. Step 3: Cross multiply
    25,907,815.40x = 38,861,723.10 × 7,954,586.60
  4. Step 4: Simplify right side
    25,907,815.40x = 309,128,941,824,170.44
  5. Step 5: Solve for x
    x = 309,128,941,824,170.44/25,907,815.40
  6. Step 6: Final answer
    x = 11,931,879.90

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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.