Finding the Fourth Proportional to 19,548,824.65, 29,324,639.39 and 5,171,721.75
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Solution
The fourth proportional to 19,548,824.65, 29,324,639.39 and 5,171,721.75 is: 7,757,953.64
Step by Step Solution
- Step 1: Write the proportion equation
19,548,824.65 : 29,324,639.39 = 5,171,721.75 : x - Step 2: Convert to fraction form
19,548,824.65/29,324,639.39 = 5,171,721.75/x - Step 3: Cross multiply
19,548,824.65x = 29,324,639.39 × 5,171,721.75 - Step 4: Simplify right side
19,548,824.65x = 151,658,875,318,311.12 - Step 5: Solve for x
x = 151,658,875,318,311.12/19,548,824.65 - Step 6: Final answer
x = 7,757,953.64
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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.