Finding the Fourth Proportional to 18,366,382.68, 27,553,559.79 and 5,586,555.21
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Solution
The fourth proportional to 18,366,382.68, 27,553,559.79 and 5,586,555.21 is: 8,381,045.18
Step by Step Solution
- Step 1: Write the proportion equation
18,366,382.68 : 27,553,559.79 = 5,586,555.21 : x - Step 2: Convert to fraction form
18,366,382.68/27,553,559.79 = 5,586,555.21/x - Step 3: Cross multiply
18,366,382.68x = 27,553,559.79 × 5,586,555.21 - Step 4: Simplify right side
18,366,382.68x = 153,929,482,998,871 - Step 5: Solve for x
x = 153,929,482,998,871/18,366,382.68 - Step 6: Final answer
x = 8,381,045.18
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1.5x scale
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.