Home / 13,960,140.40-20,940,677.22-3,861,915.76

Finding the Fourth Proportional to 13,960,140.40, 20,940,677.22 and 3,861,915.76

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Solution

The fourth proportional to 13,960,140.40, 20,940,677.22 and 3,861,915.76 is: 5,793,002.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960,140.40 : 20,940,677.22 = 3,861,915.76 : x
  2. Step 2: Convert to fraction form
    13,960,140.40/20,940,677.22 = 3,861,915.76/x
  3. Step 3: Cross multiply
    13,960,140.40x = 20,940,677.22 × 3,861,915.76
  4. Step 4: Simplify right side
    13,960,140.40x = 80,871,131,380,990.98
  5. Step 5: Solve for x
    x = 80,871,131,380,990.98/13,960,140.40
  6. Step 6: Final answer
    x = 5,793,002.73

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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.