Finding the Fourth Proportional to 6,362,213.68, 9,547,519.52 and 3,372,497.20
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Solution
The fourth proportional to 6,362,213.68, 9,547,519.52 and 3,372,497.20 is: 5,060,971.62
Step by Step Solution
- Step 1: Write the proportion equation
6,362,213.68 : 9,547,519.52 = 3,372,497.20 : x - Step 2: Convert to fraction form
6,362,213.68/9,547,519.52 = 3,372,497.20/x - Step 3: Cross multiply
6,362,213.68x = 9,547,519.52 × 3,372,497.20 - Step 4: Simplify right side
6,362,213.68x = 32,198,982,848,145.34 - Step 5: Solve for x
x = 32,198,982,848,145.34/6,362,213.68 - Step 6: Final answer
x = 5,060,971.62
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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.