Finding the Fourth Proportional to 31,918,349.79, 47,884,249.71 and 10,351,269.79
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Solution
The fourth proportional to 31,918,349.79, 47,884,249.71 and 10,351,269.79 is: 15,529,085.64
Step by Step Solution
- Step 1: Write the proportion equation
31,918,349.79 : 47,884,249.71 = 10,351,269.79 : x - Step 2: Convert to fraction form
31,918,349.79/47,884,249.71 = 10,351,269.79/x - Step 3: Cross multiply
31,918,349.79x = 47,884,249.71 × 10,351,269.79 - Step 4: Simplify right side
31,918,349.79x = 495,662,787,439,939.25 - Step 5: Solve for x
x = 495,662,787,439,939.25/31,918,349.79 - Step 6: Final answer
x = 15,529,085.64
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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.