Home / 10,491,936.21-15,740,025.84-4,426,682.94

Finding the Fourth Proportional to 10,491,936.21, 15,740,025.84 and 4,426,682.94

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Solution

The fourth proportional to 10,491,936.21, 15,740,025.84 and 4,426,682.94 is: 6,640,919.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491,936.21 : 15,740,025.84 = 4,426,682.94 : x
  2. Step 2: Convert to fraction form
    10,491,936.21/15,740,025.84 = 4,426,682.94/x
  3. Step 3: Cross multiply
    10,491,936.21x = 15,740,025.84 × 4,426,682.94
  4. Step 4: Simplify right side
    10,491,936.21x = 69,676,103,861,087.17
  5. Step 5: Solve for x
    x = 69,676,103,861,087.17/10,491,936.21
  6. Step 6: Final answer
    x = 6,640,919.51

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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.