Finding the Fourth Proportional to 10,207,884.83, 15,297,383.32 and 5,660,933.63
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Solution
The fourth proportional to 10,207,884.83, 15,297,383.32 and 5,660,933.63 is: 8,483,390.35
Step by Step Solution
- Step 1: Write the proportion equation
10,207,884.83 : 15,297,383.32 = 5,660,933.63 : x - Step 2: Convert to fraction form
10,207,884.83/15,297,383.32 = 5,660,933.63/x - Step 3: Cross multiply
10,207,884.83x = 15,297,383.32 × 5,660,933.63 - Step 4: Simplify right side
10,207,884.83x = 86,597,471,687,189.05 - Step 5: Solve for x
x = 86,597,471,687,189.05/10,207,884.83 - Step 6: Final answer
x = 8,483,390.35
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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.