Finding the Fourth Proportional to 10,666,884.92, 14,720,340.20 and 5,772,107.08
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Solution
The fourth proportional to 10,666,884.92, 14,720,340.20 and 5,772,107.08 is: 7,965,528.88
Step by Step Solution
- Step 1: Write the proportion equation
10,666,884.92 : 14,720,340.20 = 5,772,107.08 : x - Step 2: Convert to fraction form
10,666,884.92/14,720,340.20 = 5,772,107.08/x - Step 3: Cross multiply
10,666,884.92x = 14,720,340.20 × 5,772,107.08 - Step 4: Simplify right side
10,666,884.92x = 84,967,379,888,428.61 - Step 5: Solve for x
x = 84,967,379,888,428.61/10,666,884.92 - Step 6: Final answer
x = 7,965,528.88
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1.5x scale
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.