Finding the Fourth Proportional to 16,442,660.40, 24,663,990.60 and 15,322,916.40
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Solution
The fourth proportional to 16,442,660.40, 24,663,990.60 and 15,322,916.40 is: 22,984,374.60
Step by Step Solution
- Step 1: Write the proportion equation
16,442,660.40 : 24,663,990.60 = 15,322,916.40 : x - Step 2: Convert to fraction form
16,442,660.40/24,663,990.60 = 15,322,916.40/x - Step 3: Cross multiply
16,442,660.40x = 24,663,990.60 × 15,322,916.40 - Step 4: Simplify right side
16,442,660.40x = 377,924,266,054,185.88 - Step 5: Solve for x
x = 377,924,266,054,185.88/16,442,660.40 - Step 6: Final answer
x = 22,984,374.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.