Finding the Fourth Proportional to 7,247,531.80, 10,871,297.70 and 4,858,744.60
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Solution
The fourth proportional to 7,247,531.80, 10,871,297.70 and 4,858,744.60 is: 7,288,116.90
Step by Step Solution
- Step 1: Write the proportion equation
7,247,531.80 : 10,871,297.70 = 4,858,744.60 : x - Step 2: Convert to fraction form
7,247,531.80/10,871,297.70 = 4,858,744.60/x - Step 3: Cross multiply
7,247,531.80x = 10,871,297.70 × 4,858,744.60 - Step 4: Simplify right side
7,247,531.80x = 52,820,858,994,867.41 - Step 5: Solve for x
x = 52,820,858,994,867.41/7,247,531.80 - Step 6: Final answer
x = 7,288,116.90
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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.