Finding the Fourth Proportional to 33,388,861.32, 46,119,850.74 and 27,610,982.28
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Solution
The fourth proportional to 33,388,861.32, 46,119,850.74 and 27,610,982.28 is: 38,138,898.16
Step by Step Solution
- Step 1: Write the proportion equation
33,388,861.32 : 46,119,850.74 = 27,610,982.28 : x - Step 2: Convert to fraction form
33,388,861.32/46,119,850.74 = 27,610,982.28/x - Step 3: Cross multiply
33,388,861.32x = 46,119,850.74 × 27,610,982.28 - Step 4: Simplify right side
33,388,861.32x = 1,273,414,381,538,385 - Step 5: Solve for x
x = 1,273,414,381,538,385/33,388,861.32 - Step 6: Final answer
x = 38,138,898.16
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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.