Home / 13,910,921.88-20,861,264.91-4,810,683.66

Finding the Fourth Proportional to 13,910,921.88, 20,861,264.91 and 4,810,683.66

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Solution

The fourth proportional to 13,910,921.88, 20,861,264.91 and 4,810,683.66 is: 7,214,255.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910,921.88 : 20,861,264.91 = 4,810,683.66 : x
  2. Step 2: Convert to fraction form
    13,910,921.88/20,861,264.91 = 4,810,683.66/x
  3. Step 3: Cross multiply
    13,910,921.88x = 20,861,264.91 × 4,810,683.66
  4. Step 4: Simplify right side
    13,910,921.88x = 100,356,946,229,468.38
  5. Step 5: Solve for x
    x = 100,356,946,229,468.38/13,910,921.88
  6. Step 6: Final answer
    x = 7,214,255.61

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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.