Finding the Fourth Proportional to 13,353,490.68, 20,015,623.60 and 6,876,958.28
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Solution
The fourth proportional to 13,353,490.68, 20,015,623.60 and 6,876,958.28 is: 10,307,912.12
Step by Step Solution
- Step 1: Write the proportion equation
13,353,490.68 : 20,015,623.60 = 6,876,958.28 : x - Step 2: Convert to fraction form
13,353,490.68/20,015,623.60 = 6,876,958.28/x - Step 3: Cross multiply
13,353,490.68x = 20,015,623.60 × 6,876,958.28 - Step 4: Simplify right side
13,353,490.68x = 137,646,608,445,383.42 - Step 5: Solve for x
x = 137,646,608,445,383.42/13,353,490.68 - Step 6: Final answer
x = 10,307,912.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.