Finding the Fourth Proportional to 44,286,819.70, 66,430,229.55 and 12,374,115.70
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Solution
The fourth proportional to 44,286,819.70, 66,430,229.55 and 12,374,115.70 is: 18,561,173.55
Step by Step Solution
- Step 1: Write the proportion equation
44,286,819.70 : 66,430,229.55 = 12,374,115.70 : x - Step 2: Convert to fraction form
44,286,819.70/66,430,229.55 = 12,374,115.70/x - Step 3: Cross multiply
44,286,819.70x = 66,430,229.55 × 12,374,115.70 - Step 4: Simplify right side
44,286,819.70x = 822,015,346,429,258.88 - Step 5: Solve for x
x = 822,015,346,429,258.88/44,286,819.70 - Step 6: Final answer
x = 18,561,173.55
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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.