Finding the Fourth Proportional to 16,397,530.80, 24,611,167.80 and 8,316,128.40
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Solution
The fourth proportional to 16,397,530.80, 24,611,167.80 and 8,316,128.40 is: 12,481,734.84
Step by Step Solution
- Step 1: Write the proportion equation
16,397,530.80 : 24,611,167.80 = 8,316,128.40 : x - Step 2: Convert to fraction form
16,397,530.80/24,611,167.80 = 8,316,128.40/x - Step 3: Cross multiply
16,397,530.80x = 24,611,167.80 × 8,316,128.40 - Step 4: Simplify right side
16,397,530.80x = 204,669,631,498,745.53 - Step 5: Solve for x
x = 204,669,631,498,745.53/16,397,530.80 - Step 6: Final answer
x = 12,481,734.84
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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.