Finding the Fourth Proportional to 12,452,092.40, 18,678,138.60 and 10,326,328.40
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Solution
The fourth proportional to 12,452,092.40, 18,678,138.60 and 10,326,328.40 is: 15,489,492.60
Step by Step Solution
- Step 1: Write the proportion equation
12,452,092.40 : 18,678,138.60 = 10,326,328.40 : x - Step 2: Convert to fraction form
12,452,092.40/18,678,138.60 = 10,326,328.40/x - Step 3: Cross multiply
12,452,092.40x = 18,678,138.60 × 10,326,328.40 - Step 4: Simplify right side
12,452,092.40x = 192,876,593,084,316.25 - Step 5: Solve for x
x = 192,876,593,084,316.25/12,452,092.40 - Step 6: Final answer
x = 15,489,492.60
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Similar ratio
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1.5x scale
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.