Finding the Fourth Proportional to 17,715,609.30, 26,510,428.35 and 12,298,847.70
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Solution
The fourth proportional to 17,715,609.30, 26,510,428.35 and 12,298,847.70 is: 18,404,544.56
Step by Step Solution
- Step 1: Write the proportion equation
17,715,609.30 : 26,510,428.35 = 12,298,847.70 : x - Step 2: Convert to fraction form
17,715,609.30/26,510,428.35 = 12,298,847.70/x - Step 3: Cross multiply
17,715,609.30x = 26,510,428.35 × 12,298,847.70 - Step 4: Simplify right side
17,715,609.30x = 326,047,720,738,412.31 - Step 5: Solve for x
x = 326,047,720,738,412.31/17,715,609.30 - Step 6: Final answer
x = 18,404,544.56
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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.