Home / 12,183,520.20-16,811,126.28-6,954,140.76

Finding the Fourth Proportional to 12,183,520.20, 16,811,126.28 and 6,954,140.76

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Solution

The fourth proportional to 12,183,520.20, 16,811,126.28 and 6,954,140.76 is: 9,595,497.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183,520.20 : 16,811,126.28 = 6,954,140.76 : x
  2. Step 2: Convert to fraction form
    12,183,520.20/16,811,126.28 = 6,954,140.76/x
  3. Step 3: Cross multiply
    12,183,520.20x = 16,811,126.28 × 6,954,140.76
  4. Step 4: Simplify right side
    12,183,520.20x = 116,906,938,485,255.17
  5. Step 5: Solve for x
    x = 116,906,938,485,255.17/12,183,520.20
  6. Step 6: Final answer
    x = 9,595,497.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.