Finding the Fourth Proportional to 27,218,721.70, 40,828,082.55 and 24,699,297.70
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Solution
The fourth proportional to 27,218,721.70, 40,828,082.55 and 24,699,297.70 is: 37,048,946.55
Step by Step Solution
- Step 1: Write the proportion equation
27,218,721.70 : 40,828,082.55 = 24,699,297.70 : x - Step 2: Convert to fraction form
27,218,721.70/40,828,082.55 = 24,699,297.70/x - Step 3: Cross multiply
27,218,721.70x = 40,828,082.55 × 24,699,297.70 - Step 4: Simplify right side
27,218,721.70x = 1,008,424,965,422,625 - Step 5: Solve for x
x = 1,008,424,965,422,625/27,218,721.70 - Step 6: Final answer
x = 37,048,946.55
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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.