Finding the Fourth Proportional to 7,629,118.70, 10,523,514.26 and 4,529,539.49
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Solution
The fourth proportional to 7,629,118.70, 10,523,514.26 and 4,529,539.49 is: 6,247,992.10
Step by Step Solution
- Step 1: Write the proportion equation
7,629,118.70 : 10,523,514.26 = 4,529,539.49 : x - Step 2: Convert to fraction form
7,629,118.70/10,523,514.26 = 4,529,539.49/x - Step 3: Cross multiply
7,629,118.70x = 10,523,514.26 × 4,529,539.49 - Step 4: Simplify right side
7,629,118.70x = 47,666,673,372,954.41 - Step 5: Solve for x
x = 47,666,673,372,954.41/7,629,118.70 - Step 6: Final answer
x = 6,247,992.10
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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.