Finding the Fourth Proportional to 38,290,609.23, 57,436,414.02 and 12,731,618.13
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Solution
The fourth proportional to 38,290,609.23, 57,436,414.02 and 12,731,618.13 is: 19,097,593.50
Step by Step Solution
- Step 1: Write the proportion equation
38,290,609.23 : 57,436,414.02 = 12,731,618.13 : x - Step 2: Convert to fraction form
38,290,609.23/57,436,414.02 = 12,731,618.13/x - Step 3: Cross multiply
38,290,609.23x = 57,436,414.02 × 12,731,618.13 - Step 4: Simplify right side
38,290,609.23x = 731,258,490,059,218.25 - Step 5: Solve for x
x = 731,258,490,059,218.25/38,290,609.23 - Step 6: Final answer
x = 19,097,593.50
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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.