Finding the Fourth Proportional to 11,639,586.70, 16,060,982.18 and 6,610,161.94
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Solution
The fourth proportional to 11,639,586.70, 16,060,982.18 and 6,610,161.94 is: 9,121,087.87
Step by Step Solution
- Step 1: Write the proportion equation
11,639,586.70 : 16,060,982.18 = 6,610,161.94 : x - Step 2: Convert to fraction form
11,639,586.70/16,060,982.18 = 6,610,161.94/x - Step 3: Cross multiply
11,639,586.70x = 16,060,982.18 × 6,610,161.94 - Step 4: Simplify right side
11,639,586.70x = 106,165,693,089,233.12 - Step 5: Solve for x
x = 106,165,693,089,233.12/11,639,586.70 - Step 6: Final answer
x = 9,121,087.87
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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.