Finding the Fourth Proportional to 11,643,826.49, 16,057,581.98 and 9,202,270.62
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Solution
The fourth proportional to 11,643,826.49, 16,057,581.98 and 9,202,270.62 is: 12,690,520.17
Step by Step Solution
- Step 1: Write the proportion equation
11,643,826.49 : 16,057,581.98 = 9,202,270.62 : x - Step 2: Convert to fraction form
11,643,826.49/16,057,581.98 = 9,202,270.62/x - Step 3: Cross multiply
11,643,826.49x = 16,057,581.98 × 9,202,270.62 - Step 4: Simplify right side
11,643,826.49x = 147,766,214,836,784.06 - Step 5: Solve for x
x = 147,766,214,836,784.06/11,643,826.49 - Step 6: Final answer
x = 12,690,520.17
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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.