Finding the Fourth Proportional to 13,735,343.06, 18,954,785.49 and 8,231,914.58
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Solution
The fourth proportional to 13,735,343.06, 18,954,785.49 and 8,231,914.58 is: 11,360,049.35
Step by Step Solution
- Step 1: Write the proportion equation
13,735,343.06 : 18,954,785.49 = 8,231,914.58 : x - Step 2: Convert to fraction form
13,735,343.06/18,954,785.49 = 8,231,914.58/x - Step 3: Cross multiply
13,735,343.06x = 18,954,785.49 × 8,231,914.58 - Step 4: Simplify right side
13,735,343.06x = 156,034,175,035,903.44 - Step 5: Solve for x
x = 156,034,175,035,903.44/13,735,343.06 - Step 6: Final answer
x = 11,360,049.35
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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.