Finding the Fourth Proportional to 7,284,486.57, 10,052,327.97 and 4,021,231.20
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Solution
The fourth proportional to 7,284,486.57, 10,052,327.97 and 4,021,231.20 is: 5,549,153.60
Step by Step Solution
- Step 1: Write the proportion equation
7,284,486.57 : 10,052,327.97 = 4,021,231.20 : x - Step 2: Convert to fraction form
7,284,486.57/10,052,327.97 = 4,021,231.20/x - Step 3: Cross multiply
7,284,486.57x = 10,052,327.97 × 4,021,231.20 - Step 4: Simplify right side
7,284,486.57x = 40,422,734,865,596.67 - Step 5: Solve for x
x = 40,422,734,865,596.67/7,284,486.57 - Step 6: Final answer
x = 5,549,153.60
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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.