Finding the Fourth Proportional to 6,802,076.20, 10,203,114.30 and 4,678,709.80
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Solution
The fourth proportional to 6,802,076.20, 10,203,114.30 and 4,678,709.80 is: 7,018,064.70
Step by Step Solution
- Step 1: Write the proportion equation
6,802,076.20 : 10,203,114.30 = 4,678,709.80 : x - Step 2: Convert to fraction form
6,802,076.20/10,203,114.30 = 4,678,709.80/x - Step 3: Cross multiply
6,802,076.20x = 10,203,114.30 × 4,678,709.80 - Step 4: Simplify right side
6,802,076.20x = 47,737,410,865,930.14 - Step 5: Solve for x
x = 47,737,410,865,930.14/6,802,076.20 - Step 6: Final answer
x = 7,018,064.70
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1.5x scale
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.