Finding the Fourth Proportional to 11,638,519.38, 16,061,161.66 and 6,746,579.01
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Solution
The fourth proportional to 11,638,519.38, 16,061,161.66 and 6,746,579.01 is: 9,310,281.88
Step by Step Solution
- Step 1: Write the proportion equation
11,638,519.38 : 16,061,161.66 = 6,746,579.01 : x - Step 2: Convert to fraction form
11,638,519.38/16,061,161.66 = 6,746,579.01/x - Step 3: Cross multiply
11,638,519.38x = 16,061,161.66 × 6,746,579.01 - Step 4: Simplify right side
11,638,519.38x = 108,357,896,114,706.31 - Step 5: Solve for x
x = 108,357,896,114,706.31/11,638,519.38 - Step 6: Final answer
x = 9,310,281.88
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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.