Finding the Fourth Proportional to 7,394,478.72, 10,202,631.15 and 4,295,160.75
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Solution
The fourth proportional to 7,394,478.72, 10,202,631.15 and 4,295,160.75 is: 5,926,305.63
Step by Step Solution
- Step 1: Write the proportion equation
7,394,478.72 : 10,202,631.15 = 4,295,160.75 : x - Step 2: Convert to fraction form
7,394,478.72/10,202,631.15 = 4,295,160.75/x - Step 3: Cross multiply
7,394,478.72x = 10,202,631.15 × 4,295,160.75 - Step 4: Simplify right side
7,394,478.72x = 43,821,940,862,207.37 - Step 5: Solve for x
x = 43,821,940,862,207.37/7,394,478.72 - Step 6: Final answer
x = 5,926,305.63
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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.