Finding the Fourth Proportional to 31,918,350.91, 47,884,251.40 and 10,351,270.92
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Solution
The fourth proportional to 31,918,350.91, 47,884,251.40 and 10,351,270.92 is: 15,529,087.34
Step by Step Solution
- Step 1: Write the proportion equation
31,918,350.91 : 47,884,251.40 = 10,351,270.92 : x - Step 2: Convert to fraction form
31,918,350.91/47,884,251.40 = 10,351,270.92/x - Step 3: Cross multiply
31,918,350.91x = 47,884,251.40 × 10,351,270.92 - Step 4: Simplify right side
31,918,350.91x = 495,662,859,042,789.25 - Step 5: Solve for x
x = 495,662,859,042,789.25/31,918,350.91 - Step 6: Final answer
x = 15,529,087.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.