Finding the Fourth Proportional to 19,867,628.79, 27,414,861.84 and 11,496,436.13
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Solution
The fourth proportional to 19,867,628.79, 27,414,861.84 and 11,496,436.13 is: 15,863,654.97
Step by Step Solution
- Step 1: Write the proportion equation
19,867,628.79 : 27,414,861.84 = 11,496,436.13 : x - Step 2: Convert to fraction form
19,867,628.79/27,414,861.84 = 11,496,436.13/x - Step 3: Cross multiply
19,867,628.79x = 27,414,861.84 × 11,496,436.13 - Step 4: Simplify right side
19,867,628.79x = 315,173,208,224,871.44 - Step 5: Solve for x
x = 315,173,208,224,871.44/19,867,628.79 - Step 6: Final answer
x = 15,863,654.97
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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.