Finding the Fourth Proportional to 27,440,988.82, 37,868,618.70 and 15,051,183.09
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Solution
The fourth proportional to 27,440,988.82, 37,868,618.70 and 15,051,183.09 is: 20,770,662.35
Step by Step Solution
- Step 1: Write the proportion equation
27,440,988.82 : 37,868,618.70 = 15,051,183.09 : x - Step 2: Convert to fraction form
27,440,988.82/37,868,618.70 = 15,051,183.09/x - Step 3: Cross multiply
27,440,988.82x = 37,868,618.70 × 15,051,183.09 - Step 4: Simplify right side
27,440,988.82x = 569,967,513,343,841.88 - Step 5: Solve for x
x = 569,967,513,343,841.88/27,440,988.82 - Step 6: Final answer
x = 20,770,662.35
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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.