Finding the Fourth Proportional to 19,509,196.62, 26,861,267.94 and 16,563,186.70
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Solution
The fourth proportional to 19,509,196.62, 26,861,267.94 and 16,563,186.70 is: 22,805,049.56
Step by Step Solution
- Step 1: Write the proportion equation
19,509,196.62 : 26,861,267.94 = 16,563,186.70 : x - Step 2: Convert to fraction form
19,509,196.62/26,861,267.94 = 16,563,186.70/x - Step 3: Cross multiply
19,509,196.62x = 26,861,267.94 × 16,563,186.70 - Step 4: Simplify right side
19,509,196.62x = 444,908,195,888,944.38 - Step 5: Solve for x
x = 444,908,195,888,944.38/19,509,196.62 - Step 6: Final answer
x = 22,805,049.56
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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.