Finding the Fourth Proportional to 29,376,211.60, 44,043,322.20 and 13,188,912.40
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Solution
The fourth proportional to 29,376,211.60, 44,043,322.20 and 13,188,912.40 is: 19,773,942.47
Step by Step Solution
- Step 1: Write the proportion equation
29,376,211.60 : 44,043,322.20 = 13,188,912.40 : x - Step 2: Convert to fraction form
29,376,211.60/44,043,322.20 = 13,188,912.40/x - Step 3: Cross multiply
29,376,211.60x = 44,043,322.20 × 13,188,912.40 - Step 4: Simplify right side
29,376,211.60x = 580,883,518,300,775.38 - Step 5: Solve for x
x = 580,883,518,300,775.38/29,376,211.60 - Step 6: Final answer
x = 19,773,942.47
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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.