Finding the Fourth Proportional to 19,747,974.62, 29,611,310.70 and 8,959,388.87
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Solution
The fourth proportional to 19,747,974.62, 29,611,310.70 and 8,959,388.87 is: 13,434,250.99
Step by Step Solution
- Step 1: Write the proportion equation
19,747,974.62 : 29,611,310.70 = 8,959,388.87 : x - Step 2: Convert to fraction form
19,747,974.62/29,611,310.70 = 8,959,388.87/x - Step 3: Cross multiply
19,747,974.62x = 29,611,310.70 × 8,959,388.87 - Step 4: Simplify right side
19,747,974.62x = 265,299,247,511,691.88 - Step 5: Solve for x
x = 265,299,247,511,691.88/19,747,974.62 - Step 6: Final answer
x = 13,434,250.99
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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.