Finding the Fourth Proportional to 27,889,007.42, 38,474,891.79 and 17,416,843.17
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Solution
The fourth proportional to 27,889,007.42, 38,474,891.79 and 17,416,843.17 is: 24,027,787.95
Step by Step Solution
- Step 1: Write the proportion equation
27,889,007.42 : 38,474,891.79 = 17,416,843.17 : x - Step 2: Convert to fraction form
27,889,007.42/38,474,891.79 = 17,416,843.17/x - Step 3: Cross multiply
27,889,007.42x = 38,474,891.79 × 17,416,843.17 - Step 4: Simplify right side
27,889,007.42x = 670,111,156,289,150.62 - Step 5: Solve for x
x = 670,111,156,289,150.62/27,889,007.42 - Step 6: Final answer
x = 24,027,787.95
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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.