Finding the Fourth Proportional to 14,984,715.36, 20,678,958 and 8,109,195.36
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Solution
The fourth proportional to 14,984,715.36, 20,678,958 and 8,109,195.36 is: 11,190,717.09
Step by Step Solution
- Step 1: Write the proportion equation
14,984,715.36 : 20,678,958 = 8,109,195.36 : x - Step 2: Convert to fraction form
14,984,715.36/20,678,958 = 8,109,195.36/x - Step 3: Cross multiply
14,984,715.36x = 20,678,958 × 8,109,195.36 - Step 4: Simplify right side
14,984,715.36x = 167,689,710,263,234.88 - Step 5: Solve for x
x = 167,689,710,263,234.88/14,984,715.36 - Step 6: Final answer
x = 11,190,717.09
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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.