Finding the Fourth Proportional to 17,203,613.84, 25,805,979.67 and 5,072,059.98
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Solution
The fourth proportional to 17,203,613.84, 25,805,979.67 and 5,072,059.98 is: 7,608,254.75
Step by Step Solution
- Step 1: Write the proportion equation
17,203,613.84 : 25,805,979.67 = 5,072,059.98 : x - Step 2: Convert to fraction form
17,203,613.84/25,805,979.67 = 5,072,059.98/x - Step 3: Cross multiply
17,203,613.84x = 25,805,979.67 × 5,072,059.98 - Step 4: Simplify right side
17,203,613.84x = 130,889,476,728,900.62 - Step 5: Solve for x
x = 130,889,476,728,900.62/17,203,613.84 - Step 6: Final answer
x = 7,608,254.75
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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.