Finding the Fourth Proportional to 50,684,578.68, 69,946,193.79 and 28,657,604.94
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Solution
The fourth proportional to 50,684,578.68, 69,946,193.79 and 28,657,604.94 is: 39,548,328.92
Step by Step Solution
- Step 1: Write the proportion equation
50,684,578.68 : 69,946,193.79 = 28,657,604.94 : x - Step 2: Convert to fraction form
50,684,578.68/69,946,193.79 = 28,657,604.94/x - Step 3: Cross multiply
50,684,578.68x = 69,946,193.79 × 28,657,604.94 - Step 4: Simplify right side
50,684,578.68x = 2,004,490,388,690,501.50 - Step 5: Solve for x
x = 2,004,490,388,690,501.50/50,684,578.68 - Step 6: Final answer
x = 39,548,328.92
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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.