Home / 14,188,915.20-21,286,517.76-4,090,748.16

Finding the Fourth Proportional to 14,188,915.20, 21,286,517.76 and 4,090,748.16

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Solution

The fourth proportional to 14,188,915.20, 21,286,517.76 and 4,090,748.16 is: 6,137,028.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188,915.20 : 21,286,517.76 = 4,090,748.16 : x
  2. Step 2: Convert to fraction form
    14,188,915.20/21,286,517.76 = 4,090,748.16/x
  3. Step 3: Cross multiply
    14,188,915.20x = 21,286,517.76 × 4,090,748.16
  4. Step 4: Simplify right side
    14,188,915.20x = 87,077,783,359,527.33
  5. Step 5: Solve for x
    x = 87,077,783,359,527.33/14,188,915.20
  6. Step 6: Final answer
    x = 6,137,028.95

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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.