Finding the Fourth Proportional to 8,132,678.36, 11,222,381.35 and 4,647,325.49
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Solution
The fourth proportional to 8,132,678.36, 11,222,381.35 and 4,647,325.49 is: 6,412,900.72
Step by Step Solution
- Step 1: Write the proportion equation
8,132,678.36 : 11,222,381.35 = 4,647,325.49 : x - Step 2: Convert to fraction form
8,132,678.36/11,222,381.35 = 4,647,325.49/x - Step 3: Cross multiply
8,132,678.36x = 11,222,381.35 × 4,647,325.49 - Step 4: Simplify right side
8,132,678.36x = 52,154,058,898,136.79 - Step 5: Solve for x
x = 52,154,058,898,136.79/8,132,678.36 - Step 6: Final answer
x = 6,412,900.72
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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.