Finding the Fourth Proportional to 11,984,765.18, 16,527,858.99 and 7,629,310.94
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Solution
The fourth proportional to 11,984,765.18, 16,527,858.99 and 7,629,310.94 is: 10,521,372.22
Step by Step Solution
- Step 1: Write the proportion equation
11,984,765.18 : 16,527,858.99 = 7,629,310.94 : x - Step 2: Convert to fraction form
11,984,765.18/16,527,858.99 = 7,629,310.94/x - Step 3: Cross multiply
11,984,765.18x = 16,527,858.99 × 7,629,310.94 - Step 4: Simplify right side
11,984,765.18x = 126,096,175,407,184.36 - Step 5: Solve for x
x = 126,096,175,407,184.36/11,984,765.18 - Step 6: Final answer
x = 10,521,372.22
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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.