Finding the Fourth Proportional to 13,202,793.38, 19,800,088.76 and 6,375,121.53
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Solution
The fourth proportional to 13,202,793.38, 19,800,088.76 and 6,375,121.53 is: 9,560,701.93
Step by Step Solution
- Step 1: Write the proportion equation
13,202,793.38 : 19,800,088.76 = 6,375,121.53 : x - Step 2: Convert to fraction form
13,202,793.38/19,800,088.76 = 6,375,121.53/x - Step 3: Cross multiply
13,202,793.38x = 19,800,088.76 × 6,375,121.53 - Step 4: Simplify right side
13,202,793.38x = 126,227,972,117,911.39 - Step 5: Solve for x
x = 126,227,972,117,911.39/13,202,793.38 - Step 6: Final answer
x = 9,560,701.93
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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.