Finding the Fourth Proportional to 8,691,092.70, 13,036,639.05 and 5,098,580.70
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Solution
The fourth proportional to 8,691,092.70, 13,036,639.05 and 5,098,580.70 is: 7,647,871.05
Step by Step Solution
- Step 1: Write the proportion equation
8,691,092.70 : 13,036,639.05 = 5,098,580.70 : x - Step 2: Convert to fraction form
8,691,092.70/13,036,639.05 = 5,098,580.70/x - Step 3: Cross multiply
8,691,092.70x = 13,036,639.05 × 5,098,580.70 - Step 4: Simplify right side
8,691,092.70x = 66,468,356,253,196.34 - Step 5: Solve for x
x = 66,468,356,253,196.34/8,691,092.70 - Step 6: Final answer
x = 7,647,871.05
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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.