Finding the Fourth Proportional to 16,171,243.60, 24,256,865.40 and 10,431,680.80
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Solution
The fourth proportional to 16,171,243.60, 24,256,865.40 and 10,431,680.80 is: 15,647,521.20
Step by Step Solution
- Step 1: Write the proportion equation
16,171,243.60 : 24,256,865.40 = 10,431,680.80 : x - Step 2: Convert to fraction form
16,171,243.60/24,256,865.40 = 10,431,680.80/x - Step 3: Cross multiply
16,171,243.60x = 24,256,865.40 × 10,431,680.80 - Step 4: Simplify right side
16,171,243.60x = 253,039,877,061,364.31 - Step 5: Solve for x
x = 253,039,877,061,364.31/16,171,243.60 - Step 6: Final answer
x = 15,647,521.20
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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.