Finding the Fourth Proportional to 13,286,562.37, 19,929,843.79 and 3,189,183.37
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Solution
The fourth proportional to 13,286,562.37, 19,929,843.79 and 3,189,183.37 is: 4,783,775.11
Step by Step Solution
- Step 1: Write the proportion equation
13,286,562.37 : 19,929,843.79 = 3,189,183.37 : x - Step 2: Convert to fraction form
13,286,562.37/19,929,843.79 = 3,189,183.37/x - Step 3: Cross multiply
13,286,562.37x = 19,929,843.79 × 3,189,183.37 - Step 4: Simplify right side
13,286,562.37x = 63,559,926,323,968.21 - Step 5: Solve for x
x = 63,559,926,323,968.21/13,286,562.37 - Step 6: Final answer
x = 4,783,775.11
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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.