Finding the Fourth Proportional to 19,718,609.92, 27,207,016.40 and 11,453,762
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Solution
The fourth proportional to 19,718,609.92, 27,207,016.40 and 11,453,762 is: 15,803,481.68
Step by Step Solution
- Step 1: Write the proportion equation
19,718,609.92 : 27,207,016.40 = 11,453,762 : x - Step 2: Convert to fraction form
19,718,609.92/27,207,016.40 = 11,453,762/x - Step 3: Cross multiply
19,718,609.92x = 27,207,016.40 × 11,453,762 - Step 4: Simplify right side
19,718,609.92x = 311,622,690,575,696.81 - Step 5: Solve for x
x = 311,622,690,575,696.81/19,718,609.92 - Step 6: Final answer
x = 15,803,481.68
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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.