Finding the Fourth Proportional to 19,551,299.72, 26,981,412.97 and 11,291,211.91
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Solution
The fourth proportional to 19,551,299.72, 26,981,412.97 and 11,291,211.91 is: 15,582,230.12
Step by Step Solution
- Step 1: Write the proportion equation
19,551,299.72 : 26,981,412.97 = 11,291,211.91 : x - Step 2: Convert to fraction form
19,551,299.72/26,981,412.97 = 11,291,211.91/x - Step 3: Cross multiply
19,551,299.72x = 26,981,412.97 × 11,291,211.91 - Step 4: Simplify right side
19,551,299.72x = 304,652,851,436,267 - Step 5: Solve for x
x = 304,652,851,436,267/19,551,299.72 - Step 6: Final answer
x = 15,582,230.12
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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.