Home / 10,862,021.60-16,288,885.20-3,286,469.60

Finding the Fourth Proportional to 10,862,021.60, 16,288,885.20 and 3,286,469.60

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Solution

The fourth proportional to 10,862,021.60, 16,288,885.20 and 3,286,469.60 is: 4,928,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862,021.60 : 16,288,885.20 = 3,286,469.60 : x
  2. Step 2: Convert to fraction form
    10,862,021.60/16,288,885.20 = 3,286,469.60/x
  3. Step 3: Cross multiply
    10,862,021.60x = 16,288,885.20 × 3,286,469.60
  4. Step 4: Simplify right side
    10,862,021.60x = 53,532,926,027,689.92
  5. Step 5: Solve for x
    x = 53,532,926,027,689.92/10,862,021.60
  6. Step 6: Final answer
    x = 4,928,449.60

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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.