Finding the Fourth Proportional to 11,840,286.96, 16,339,595.81 and 6,407,778.96
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Solution
The fourth proportional to 11,840,286.96, 16,339,595.81 and 6,407,778.96 is: 8,842,734.86
Step by Step Solution
- Step 1: Write the proportion equation
11,840,286.96 : 16,339,595.81 = 6,407,778.96 : x - Step 2: Convert to fraction form
11,840,286.96/16,339,595.81 = 6,407,778.96/x - Step 3: Cross multiply
11,840,286.96x = 16,339,595.81 × 6,407,778.96 - Step 4: Simplify right side
11,840,286.96x = 104,700,518,214,183.27 - Step 5: Solve for x
x = 104,700,518,214,183.27/11,840,286.96 - Step 6: Final answer
x = 8,842,734.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.