Finding the Fourth Proportional to 12,263,353.38, 18,397,879.65 and 4,176,399.24
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Solution
The fourth proportional to 12,263,353.38, 18,397,879.65 and 4,176,399.24 is: 6,265,569.31
Step by Step Solution
- Step 1: Write the proportion equation
12,263,353.38 : 18,397,879.65 = 4,176,399.24 : x - Step 2: Convert to fraction form
12,263,353.38/18,397,879.65 = 4,176,399.24/x - Step 3: Cross multiply
12,263,353.38x = 18,397,879.65 × 4,176,399.24 - Step 4: Simplify right side
12,263,353.38x = 76,836,890,587,871.47 - Step 5: Solve for x
x = 76,836,890,587,871.47/12,263,353.38 - Step 6: Final answer
x = 6,265,569.31
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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.