Finding the Fourth Proportional to 14,719,569.59, 20,313,235.82 and 8,193,269.99
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Solution
The fourth proportional to 14,719,569.59, 20,313,235.82 and 8,193,269.99 is: 11,306,840.49
Step by Step Solution
- Step 1: Write the proportion equation
14,719,569.59 : 20,313,235.82 = 8,193,269.99 : x - Step 2: Convert to fraction form
14,719,569.59/20,313,235.82 = 8,193,269.99/x - Step 3: Cross multiply
14,719,569.59x = 20,313,235.82 × 8,193,269.99 - Step 4: Simplify right side
14,719,569.59x = 166,431,825,443,799.06 - Step 5: Solve for x
x = 166,431,825,443,799.06/14,719,569.59 - Step 6: Final answer
x = 11,306,840.49
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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.