Finding the Fourth Proportional to 8,119,633.05, 11,206,287.23 and 4,681,202.49
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Solution
The fourth proportional to 8,119,633.05, 11,206,287.23 and 4,681,202.49 is: 6,460,747.59
Step by Step Solution
- Step 1: Write the proportion equation
8,119,633.05 : 11,206,287.23 = 4,681,202.49 : x - Step 2: Convert to fraction form
8,119,633.05/11,206,287.23 = 4,681,202.49/x - Step 3: Cross multiply
8,119,633.05x = 11,206,287.23 × 4,681,202.49 - Step 4: Simplify right side
8,119,633.05x = 52,458,899,661,325.19 - Step 5: Solve for x
x = 52,458,899,661,325.19/8,119,633.05 - Step 6: Final answer
x = 6,460,747.59
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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.