Finding the Fourth Proportional to 18,366,378.70, 27,553,553.84 and 5,586,551.24
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Solution
The fourth proportional to 18,366,378.70, 27,553,553.84 and 5,586,551.24 is: 8,381,039.23
Step by Step Solution
- Step 1: Write the proportion equation
18,366,378.70 : 27,553,553.84 = 5,586,551.24 : x - Step 2: Convert to fraction form
18,366,378.70/27,553,553.84 = 5,586,551.24/x - Step 3: Cross multiply
18,366,378.70x = 27,553,553.84 × 5,586,551.24 - Step 4: Simplify right side
18,366,378.70x = 153,929,340,371,258.78 - Step 5: Solve for x
x = 153,929,340,371,258.78/18,366,378.70 - Step 6: Final answer
x = 8,381,039.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.