Finding the Fourth Proportional to 11,576,313.72, 15,975,829.26 and 6,419,328.84
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Solution
The fourth proportional to 11,576,313.72, 15,975,829.26 and 6,419,328.84 is: 8,858,960.11
Step by Step Solution
- Step 1: Write the proportion equation
11,576,313.72 : 15,975,829.26 = 6,419,328.84 : x - Step 2: Convert to fraction form
11,576,313.72/15,975,829.26 = 6,419,328.84/x - Step 3: Cross multiply
11,576,313.72x = 15,975,829.26 × 6,419,328.84 - Step 4: Simplify right side
11,576,313.72x = 102,554,101,511,633.86 - Step 5: Solve for x
x = 102,554,101,511,633.86/11,576,313.72 - Step 6: Final answer
x = 8,858,960.11
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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.