Finding the Fourth Proportional to 18,366,372.07, 27,553,543.91 and 5,586,544.62
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Solution
The fourth proportional to 18,366,372.07, 27,553,543.91 and 5,586,544.62 is: 8,381,029.30
Step by Step Solution
- Step 1: Write the proportion equation
18,366,372.07 : 27,553,543.91 = 5,586,544.62 : x - Step 2: Convert to fraction form
18,366,372.07/27,553,543.91 = 5,586,544.62/x - Step 3: Cross multiply
18,366,372.07x = 27,553,543.91 × 5,586,544.62 - Step 4: Simplify right side
18,366,372.07x = 153,929,102,485,361.09 - Step 5: Solve for x
x = 153,929,102,485,361.09/18,366,372.07 - Step 6: Final answer
x = 8,381,029.30
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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.