Finding the Fourth Proportional to 10,171,037.79, 14,039,715.29 and 6,734,385.99
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Solution
The fourth proportional to 10,171,037.79, 14,039,715.29 and 6,734,385.99 is: 9,295,891.32
Step by Step Solution
- Step 1: Write the proportion equation
10,171,037.79 : 14,039,715.29 = 6,734,385.99 : x - Step 2: Convert to fraction form
10,171,037.79/14,039,715.29 = 6,734,385.99/x - Step 3: Cross multiply
10,171,037.79x = 14,039,715.29 × 6,734,385.99 - Step 4: Simplify right side
10,171,037.79x = 94,548,861,918,892.86 - Step 5: Solve for x
x = 94,548,861,918,892.86/10,171,037.79 - Step 6: Final answer
x = 9,295,891.32
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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.