Home / 12,096,571.70-18,144,857.55-3,121,123.70

Finding the Fourth Proportional to 12,096,571.70, 18,144,857.55 and 3,121,123.70

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Solution

The fourth proportional to 12,096,571.70, 18,144,857.55 and 3,121,123.70 is: 4,681,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,571.70 : 18,144,857.55 = 3,121,123.70 : x
  2. Step 2: Convert to fraction form
    12,096,571.70/18,144,857.55 = 3,121,123.70/x
  3. Step 3: Cross multiply
    12,096,571.70x = 18,144,857.55 × 3,121,123.70
  4. Step 4: Simplify right side
    12,096,571.70x = 56,632,344,932,428.94
  5. Step 5: Solve for x
    x = 56,632,344,932,428.94/12,096,571.70
  6. Step 6: Final answer
    x = 4,681,685.55

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Double scale
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Similar ratio
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1.5x scale

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.