Finding the Fourth Proportional to 19,718,640.96, 27,207,059.04 and 11,453,793
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Solution
The fourth proportional to 19,718,640.96, 27,207,059.04 and 11,453,793 is: 15,803,524.34
Step by Step Solution
- Step 1: Write the proportion equation
19,718,640.96 : 27,207,059.04 = 11,453,793 : x - Step 2: Convert to fraction form
19,718,640.96/27,207,059.04 = 11,453,793/x - Step 3: Cross multiply
19,718,640.96x = 27,207,059.04 × 11,453,793 - Step 4: Simplify right side
19,718,640.96x = 311,624,022,382,938.69 - Step 5: Solve for x
x = 311,624,022,382,938.69/19,718,640.96 - Step 6: Final answer
x = 15,803,524.34
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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.