Finding the Fourth Proportional to 10,168,903.92, 14,033,202.84 and 5,585,332.08
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Solution
The fourth proportional to 10,168,903.92, 14,033,202.84 and 5,585,332.08 is: 7,707,821.67
Step by Step Solution
- Step 1: Write the proportion equation
10,168,903.92 : 14,033,202.84 = 5,585,332.08 : x - Step 2: Convert to fraction form
10,168,903.92/14,033,202.84 = 5,585,332.08/x - Step 3: Cross multiply
10,168,903.92x = 14,033,202.84 × 5,585,332.08 - Step 4: Simplify right side
10,168,903.92x = 78,380,098,007,399.11 - Step 5: Solve for x
x = 78,380,098,007,399.11/10,168,903.92 - Step 6: Final answer
x = 7,707,821.67
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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.