Finding the Fourth Proportional to 10,959,070.14, 15,125,121.18 and 6,311,961.90
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Solution
The fourth proportional to 10,959,070.14, 15,125,121.18 and 6,311,961.90 is: 8,711,431.48
Step by Step Solution
- Step 1: Write the proportion equation
10,959,070.14 : 15,125,121.18 = 6,311,961.90 : x - Step 2: Convert to fraction form
10,959,070.14/15,125,121.18 = 6,311,961.90/x - Step 3: Cross multiply
10,959,070.14x = 15,125,121.18 × 6,311,961.90 - Step 4: Simplify right side
10,959,070.14x = 95,469,188,621,043.05 - Step 5: Solve for x
x = 95,469,188,621,043.05/10,959,070.14 - Step 6: Final answer
x = 8,711,431.48
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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.