Finding the Fourth Proportional to 22,465,530.08, 33,691,866.96 and 7,320,785.12
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Solution
The fourth proportional to 22,465,530.08, 33,691,866.96 and 7,320,785.12 is: 10,979,082.95
Step by Step Solution
- Step 1: Write the proportion equation
22,465,530.08 : 33,691,866.96 = 7,320,785.12 : x - Step 2: Convert to fraction form
22,465,530.08/33,691,866.96 = 7,320,785.12/x - Step 3: Cross multiply
22,465,530.08x = 33,691,866.96 × 7,320,785.12 - Step 4: Simplify right side
22,465,530.08x = 246,650,918,305,787.66 - Step 5: Solve for x
x = 246,650,918,305,787.66/22,465,530.08 - Step 6: Final answer
x = 10,979,082.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.