Finding the Fourth Proportional to 10,273,871.73, 15,413,016.12 and 2,987,458.05
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Solution
The fourth proportional to 10,273,871.73, 15,413,016.12 and 2,987,458.05 is: 4,481,829.27
Step by Step Solution
- Step 1: Write the proportion equation
10,273,871.73 : 15,413,016.12 = 2,987,458.05 : x - Step 2: Convert to fraction form
10,273,871.73/15,413,016.12 = 2,987,458.05/x - Step 3: Cross multiply
10,273,871.73x = 15,413,016.12 × 2,987,458.05 - Step 4: Simplify right side
10,273,871.73x = 46,045,739,082,473.76 - Step 5: Solve for x
x = 46,045,739,082,473.76/10,273,871.73 - Step 6: Final answer
x = 4,481,829.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.