Finding the Fourth Proportional to 7,408,771.64, 11,113,157.49 and 4,883,836.40
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Solution
The fourth proportional to 7,408,771.64, 11,113,157.49 and 4,883,836.40 is: 7,325,754.62
Step by Step Solution
- Step 1: Write the proportion equation
7,408,771.64 : 11,113,157.49 = 4,883,836.40 : x - Step 2: Convert to fraction form
7,408,771.64/11,113,157.49 = 4,883,836.40/x - Step 3: Cross multiply
7,408,771.64x = 11,113,157.49 × 4,883,836.40 - Step 4: Simplify right side
7,408,771.64x = 54,274,843,068,594.64 - Step 5: Solve for x
x = 54,274,843,068,594.64/7,408,771.64 - Step 6: Final answer
x = 7,325,754.62
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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.