Finding the Fourth Proportional to 8,972,452.80, 13,460,428.80 and 3,854,872.80
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Solution
The fourth proportional to 8,972,452.80, 13,460,428.80 and 3,854,872.80 is: 5,783,060.89
Step by Step Solution
- Step 1: Write the proportion equation
8,972,452.80 : 13,460,428.80 = 3,854,872.80 : x - Step 2: Convert to fraction form
8,972,452.80/13,460,428.80 = 3,854,872.80/x - Step 3: Cross multiply
8,972,452.80x = 13,460,428.80 × 3,854,872.80 - Step 4: Simplify right side
8,972,452.80x = 51,888,240,857,456.64 - Step 5: Solve for x
x = 51,888,240,857,456.64/8,972,452.80 - Step 6: Final answer
x = 5,783,060.89
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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.