Finding the Fourth Proportional to 20,049,918.66, 27,668,146.86 and 10,882,364.58
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Solution
The fourth proportional to 20,049,918.66, 27,668,146.86 and 10,882,364.58 is: 15,017,260.99
Step by Step Solution
- Step 1: Write the proportion equation
20,049,918.66 : 27,668,146.86 = 10,882,364.58 : x - Step 2: Convert to fraction form
20,049,918.66/27,668,146.86 = 10,882,364.58/x - Step 3: Cross multiply
20,049,918.66x = 27,668,146.86 × 10,882,364.58 - Step 4: Simplify right side
20,049,918.66x = 301,094,861,383,502.19 - Step 5: Solve for x
x = 301,094,861,383,502.19/20,049,918.66 - Step 6: Final answer
x = 15,017,260.99
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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.