Finding the Fourth Proportional to 19,894,452.50, 29,841,677.12 and 5,517,520.10
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Solution
The fourth proportional to 19,894,452.50, 29,841,677.12 and 5,517,520.10 is: 8,276,279.70
Step by Step Solution
- Step 1: Write the proportion equation
19,894,452.50 : 29,841,677.12 = 5,517,520.10 : x - Step 2: Convert to fraction form
19,894,452.50/29,841,677.12 = 5,517,520.10/x - Step 3: Cross multiply
19,894,452.50x = 29,841,677.12 × 5,517,520.10 - Step 4: Simplify right side
19,894,452.50x = 164,652,053,327,310.09 - Step 5: Solve for x
x = 164,652,053,327,310.09/19,894,452.50 - Step 6: Final answer
x = 8,276,279.70
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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.