Finding the Fourth Proportional to 13,296,546.47, 19,903,912.66 and 8,675,582.64
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Solution
The fourth proportional to 13,296,546.47, 19,903,912.66 and 8,675,582.64 is: 12,986,683.39
Step by Step Solution
- Step 1: Write the proportion equation
13,296,546.47 : 19,903,912.66 = 8,675,582.64 : x - Step 2: Convert to fraction form
13,296,546.47/19,903,912.66 = 8,675,582.64/x - Step 3: Cross multiply
13,296,546.47x = 19,903,912.66 × 8,675,582.64 - Step 4: Simplify right side
13,296,546.47x = 172,678,039,141,172.25 - Step 5: Solve for x
x = 172,678,039,141,172.25/13,296,546.47 - Step 6: Final answer
x = 12,986,683.39
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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.