Finding the Fourth Proportional to 7,305,170.04, 10,081,431.78 and 4,041,931.68
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Solution
The fourth proportional to 7,305,170.04, 10,081,431.78 and 4,041,931.68 is: 5,578,030.12
Step by Step Solution
- Step 1: Write the proportion equation
7,305,170.04 : 10,081,431.78 = 4,041,931.68 : x - Step 2: Convert to fraction form
7,305,170.04/10,081,431.78 = 4,041,931.68/x - Step 3: Cross multiply
7,305,170.04x = 10,081,431.78 × 4,041,931.68 - Step 4: Simplify right side
7,305,170.04x = 40,748,458,491,340.79 - Step 5: Solve for x
x = 40,748,458,491,340.79/7,305,170.04 - Step 6: Final answer
x = 5,578,030.12
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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.