Finding the Fourth Proportional to 9,982,396.09, 13,775,715.84 and 5,398,717.45
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Solution
The fourth proportional to 9,982,396.09, 13,775,715.84 and 5,398,717.45 is: 7,450,235.08
Step by Step Solution
- Step 1: Write the proportion equation
9,982,396.09 : 13,775,715.84 = 5,398,717.45 : x - Step 2: Convert to fraction form
9,982,396.09/13,775,715.84 = 5,398,717.45/x - Step 3: Cross multiply
9,982,396.09x = 13,775,715.84 × 5,398,717.45 - Step 4: Simplify right side
9,982,396.09x = 74,371,197,491,649.41 - Step 5: Solve for x
x = 74,371,197,491,649.41/9,982,396.09 - Step 6: Final answer
x = 7,450,235.08
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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.