Finding the Fourth Proportional to 15,065,440.36, 20,770,793.60 and 9,757,691.80
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Solution
The fourth proportional to 15,065,440.36, 20,770,793.60 and 9,757,691.80 is: 13,452,975.65
Step by Step Solution
- Step 1: Write the proportion equation
15,065,440.36 : 20,770,793.60 = 9,757,691.80 : x - Step 2: Convert to fraction form
15,065,440.36/20,770,793.60 = 9,757,691.80/x - Step 3: Cross multiply
15,065,440.36x = 20,770,793.60 × 9,757,691.80 - Step 4: Simplify right side
15,065,440.36x = 202,675,002,341,424.03 - Step 5: Solve for x
x = 202,675,002,341,424.03/15,065,440.36 - Step 6: Final answer
x = 13,452,975.65
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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.