Finding the Fourth Proportional to 16,639,711.20, 24,996,891.60 and 16,005,189.60
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Solution
The fourth proportional to 16,639,711.20, 24,996,891.60 and 16,005,189.60 is: 24,043,685.89
Step by Step Solution
- Step 1: Write the proportion equation
16,639,711.20 : 24,996,891.60 = 16,005,189.60 : x - Step 2: Convert to fraction form
16,639,711.20/24,996,891.60 = 16,005,189.60/x - Step 3: Cross multiply
16,639,711.20x = 24,996,891.60 × 16,005,189.60 - Step 4: Simplify right side
16,639,711.20x = 400,079,989,468,647.38 - Step 5: Solve for x
x = 400,079,989,468,647.38/16,639,711.20 - Step 6: Final answer
x = 24,043,685.89
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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.