Finding the Fourth Proportional to 11,157,538.31, 16,729,804.68 and 4,326,130.75
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Solution
The fourth proportional to 11,157,538.31, 16,729,804.68 and 4,326,130.75 is: 6,486,674.78
Step by Step Solution
- Step 1: Write the proportion equation
11,157,538.31 : 16,729,804.68 = 4,326,130.75 : x - Step 2: Convert to fraction form
11,157,538.31/16,729,804.68 = 4,326,130.75/x - Step 3: Cross multiply
11,157,538.31x = 16,729,804.68 × 4,326,130.75 - Step 4: Simplify right side
11,157,538.31x = 72,375,322,383,992.89 - Step 5: Solve for x
x = 72,375,322,383,992.89/11,157,538.31 - Step 6: Final answer
x = 6,486,674.78
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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.