Finding the Fourth Proportional to 21,988,589.73, 30,347,895.93 and 12,202,177.41
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Solution
The fourth proportional to 21,988,589.73, 30,347,895.93 and 12,202,177.41 is: 16,841,025.95
Step by Step Solution
- Step 1: Write the proportion equation
21,988,589.73 : 30,347,895.93 = 12,202,177.41 : x - Step 2: Convert to fraction form
21,988,589.73/30,347,895.93 = 12,202,177.41/x - Step 3: Cross multiply
21,988,589.73x = 30,347,895.93 × 12,202,177.41 - Step 4: Simplify right side
21,988,589.73x = 370,310,410,158,076.94 - Step 5: Solve for x
x = 370,310,410,158,076.94/21,988,589.73 - Step 6: Final answer
x = 16,841,025.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.