Finding the Fourth Proportional to 10,770,352.58, 14,861,053.80 and 6,419,843.71
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Solution
The fourth proportional to 10,770,352.58, 14,861,053.80 and 6,419,843.71 is: 8,858,172.65
Step by Step Solution
- Step 1: Write the proportion equation
10,770,352.58 : 14,861,053.80 = 6,419,843.71 : x - Step 2: Convert to fraction form
10,770,352.58/14,861,053.80 = 6,419,843.71/x - Step 3: Cross multiply
10,770,352.58x = 14,861,053.80 × 6,419,843.71 - Step 4: Simplify right side
10,770,352.58x = 95,405,642,724,748.97 - Step 5: Solve for x
x = 95,405,642,724,748.97/10,770,352.58 - Step 6: Final answer
x = 8,858,172.65
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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.