Finding the Fourth Proportional to 11,638,115.40, 16,062,553.62 and 6,746,397.42
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Solution
The fourth proportional to 11,638,115.40, 16,062,553.62 and 6,746,397.42 is: 9,311,161.35
Step by Step Solution
- Step 1: Write the proportion equation
11,638,115.40 : 16,062,553.62 = 6,746,397.42 : x - Step 2: Convert to fraction form
11,638,115.40/16,062,553.62 = 6,746,397.42/x - Step 3: Cross multiply
11,638,115.40x = 16,062,553.62 × 6,746,397.42 - Step 4: Simplify right side
11,638,115.40x = 108,364,370,300,579.66 - Step 5: Solve for x
x = 108,364,370,300,579.66/11,638,115.40 - Step 6: Final answer
x = 9,311,161.35
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1.5x scale
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.