Finding the Fourth Proportional to 39,269,233.80, 58,903,850.70 and 12,342,889.80
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Solution
The fourth proportional to 39,269,233.80, 58,903,850.70 and 12,342,889.80 is: 18,514,334.70
Step by Step Solution
- Step 1: Write the proportion equation
39,269,233.80 : 58,903,850.70 = 12,342,889.80 : x - Step 2: Convert to fraction form
39,269,233.80/58,903,850.70 = 12,342,889.80/x - Step 3: Cross multiply
39,269,233.80x = 58,903,850.70 × 12,342,889.80 - Step 4: Simplify right side
39,269,233.80x = 727,043,737,985,753 - Step 5: Solve for x
x = 727,043,737,985,753/39,269,233.80 - Step 6: Final answer
x = 18,514,334.70
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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.