Finding the Fourth Proportional to 10,971,758.70, 16,458,720.66 and 3,782,346.12
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Solution
The fourth proportional to 10,971,758.70, 16,458,720.66 and 3,782,346.12 is: 5,673,892.39
Step by Step Solution
- Step 1: Write the proportion equation
10,971,758.70 : 16,458,720.66 = 3,782,346.12 : x - Step 2: Convert to fraction form
10,971,758.70/16,458,720.66 = 3,782,346.12/x - Step 3: Cross multiply
10,971,758.70x = 16,458,720.66 × 3,782,346.12 - Step 4: Simplify right side
10,971,758.70x = 62,252,578,228,514.84 - Step 5: Solve for x
x = 62,252,578,228,514.84/10,971,758.70 - Step 6: Final answer
x = 5,673,892.39
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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.