Finding the Fourth Proportional to 12,398,889.38, 18,597,990.26 and 3,301,065.02
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Solution
The fourth proportional to 12,398,889.38, 18,597,990.26 and 3,301,065.02 is: 4,951,505.99
Step by Step Solution
- Step 1: Write the proportion equation
12,398,889.38 : 18,597,990.26 = 3,301,065.02 : x - Step 2: Convert to fraction form
12,398,889.38/18,597,990.26 = 3,301,065.02/x - Step 3: Cross multiply
12,398,889.38x = 18,597,990.26 × 3,301,065.02 - Step 4: Simplify right side
12,398,889.38x = 61,393,175,089,586.71 - Step 5: Solve for x
x = 61,393,175,089,586.71/12,398,889.38 - Step 6: Final answer
x = 4,951,505.99
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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.