Finding the Fourth Proportional to 31,918,350.78, 47,884,251.20 and 10,351,270.80
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Solution
The fourth proportional to 31,918,350.78, 47,884,251.20 and 10,351,270.80 is: 15,529,087.16
Step by Step Solution
- Step 1: Write the proportion equation
31,918,350.78 : 47,884,251.20 = 10,351,270.80 : x - Step 2: Convert to fraction form
31,918,350.78/47,884,251.20 = 10,351,270.80/x - Step 3: Cross multiply
31,918,350.78x = 47,884,251.20 × 10,351,270.80 - Step 4: Simplify right side
31,918,350.78x = 495,662,851,226,425 - Step 5: Solve for x
x = 495,662,851,226,425/31,918,350.78 - Step 6: Final answer
x = 15,529,087.16
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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.