Finding the Fourth Proportional to 7,192,654.24, 9,926,057.96 and 4,293,728.32
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Solution
The fourth proportional to 7,192,654.24, 9,926,057.96 and 4,293,728.32 is: 5,925,461.55
Step by Step Solution
- Step 1: Write the proportion equation
7,192,654.24 : 9,926,057.96 = 4,293,728.32 : x - Step 2: Convert to fraction form
7,192,654.24/9,926,057.96 = 4,293,728.32/x - Step 3: Cross multiply
7,192,654.24x = 9,926,057.96 × 4,293,728.32 - Step 4: Simplify right side
7,192,654.24x = 42,619,796,168,813.44 - Step 5: Solve for x
x = 42,619,796,168,813.44/7,192,654.24 - Step 6: Final answer
x = 5,925,461.55
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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.