Finding the Fourth Proportional to 19,676,635.07, 27,153,793.68 and 10,975,371.26
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Solution
The fourth proportional to 19,676,635.07, 27,153,793.68 and 10,975,371.26 is: 15,146,033.13
Step by Step Solution
- Step 1: Write the proportion equation
19,676,635.07 : 27,153,793.68 = 10,975,371.26 : x - Step 2: Convert to fraction form
19,676,635.07/27,153,793.68 = 10,975,371.26/x - Step 3: Cross multiply
19,676,635.07x = 27,153,793.68 × 10,975,371.26 - Step 4: Simplify right side
19,676,635.07x = 298,022,966,755,441.62 - Step 5: Solve for x
x = 298,022,966,755,441.62/19,676,635.07 - Step 6: Final answer
x = 15,146,033.13
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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.