Finding the Fourth Proportional to 10,993,988.67, 15,173,049.82 and 6,347,765.91
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Solution
The fourth proportional to 10,993,988.67, 15,173,049.82 and 6,347,765.91 is: 8,760,693.79
Step by Step Solution
- Step 1: Write the proportion equation
10,993,988.67 : 15,173,049.82 = 6,347,765.91 : x - Step 2: Convert to fraction form
10,993,988.67/15,173,049.82 = 6,347,765.91/x - Step 3: Cross multiply
10,993,988.67x = 15,173,049.82 × 6,347,765.91 - Step 4: Simplify right side
10,993,988.67x = 96,314,968,296,255.39 - Step 5: Solve for x
x = 96,314,968,296,255.39/10,993,988.67 - Step 6: Final answer
x = 8,760,693.79
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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.