Finding the Fourth Proportional to 19,718,200.24, 27,206,452.96 and 11,453,351.68
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Solution
The fourth proportional to 19,718,200.24, 27,206,452.96 and 11,453,351.68 is: 15,802,916.59
Step by Step Solution
- Step 1: Write the proportion equation
19,718,200.24 : 27,206,452.96 = 11,453,351.68 : x - Step 2: Convert to fraction form
19,718,200.24/27,206,452.96 = 11,453,351.68/x - Step 3: Cross multiply
19,718,200.24x = 27,206,452.96 × 11,453,351.68 - Step 4: Simplify right side
19,718,200.24x = 311,605,073,716,257 - Step 5: Solve for x
x = 311,605,073,716,257/19,718,200.24 - Step 6: Final answer
x = 15,802,916.59
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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.