Finding the Fourth Proportional to 20,226,125.53, 27,914,786.96 and 11,407,388.08
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Solution
The fourth proportional to 20,226,125.53, 27,914,786.96 and 11,407,388.08 is: 15,743,737.35
Step by Step Solution
- Step 1: Write the proportion equation
20,226,125.53 : 27,914,786.96 = 11,407,388.08 : x - Step 2: Convert to fraction form
20,226,125.53/27,914,786.96 = 11,407,388.08/x - Step 3: Cross multiply
20,226,125.53x = 27,914,786.96 × 11,407,388.08 - Step 4: Simplify right side
20,226,125.53x = 318,434,808,023,243.44 - Step 5: Solve for x
x = 318,434,808,023,243.44/20,226,125.53 - Step 6: Final answer
x = 15,743,737.35
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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.