Finding the Fourth Proportional to 32,343,423.40, 48,515,135.10 and 16,171,870.60
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Solution
The fourth proportional to 32,343,423.40, 48,515,135.10 and 16,171,870.60 is: 24,257,805.90
Step by Step Solution
- Step 1: Write the proportion equation
32,343,423.40 : 48,515,135.10 = 16,171,870.60 : x - Step 2: Convert to fraction form
32,343,423.40/48,515,135.10 = 16,171,870.60/x - Step 3: Cross multiply
32,343,423.40x = 48,515,135.10 × 16,171,870.60 - Step 4: Simplify right side
32,343,423.40x = 784,580,486,978,718.12 - Step 5: Solve for x
x = 784,580,486,978,718.12/32,343,423.40 - Step 6: Final answer
x = 24,257,805.90
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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.