Finding the Fourth Proportional to 7,624,236.42, 11,436,358.28 and 4,786,341.48
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Solution
The fourth proportional to 7,624,236.42, 11,436,358.28 and 4,786,341.48 is: 7,179,514.51
Step by Step Solution
- Step 1: Write the proportion equation
7,624,236.42 : 11,436,358.28 = 4,786,341.48 : x - Step 2: Convert to fraction form
7,624,236.42/11,436,358.28 = 4,786,341.48/x - Step 3: Cross multiply
7,624,236.42x = 11,436,358.28 × 4,786,341.48 - Step 4: Simplify right side
7,624,236.42x = 54,738,315,991,773.75 - Step 5: Solve for x
x = 54,738,315,991,773.75/7,624,236.42 - Step 6: Final answer
x = 7,179,514.51
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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.