Finding the Fourth Proportional to 7,232,414.72, 9,982,108.32 and 4,785,074.24
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Solution
The fourth proportional to 7,232,414.72, 9,982,108.32 and 4,785,074.24 is: 6,604,312.84
Step by Step Solution
- Step 1: Write the proportion equation
7,232,414.72 : 9,982,108.32 = 4,785,074.24 : x - Step 2: Convert to fraction form
7,232,414.72/9,982,108.32 = 4,785,074.24/x - Step 3: Cross multiply
7,232,414.72x = 9,982,108.32 × 4,785,074.24 - Step 4: Simplify right side
7,232,414.72x = 47,765,129,382,921.68 - Step 5: Solve for x
x = 47,765,129,382,921.68/7,232,414.72 - Step 6: Final answer
x = 6,604,312.84
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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.