Finding the Fourth Proportional to 7,629,783.40, 11,444,675.10 and 3,367,757.80
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Solution
The fourth proportional to 7,629,783.40, 11,444,675.10 and 3,367,757.80 is: 5,051,636.70
Step by Step Solution
- Step 1: Write the proportion equation
7,629,783.40 : 11,444,675.10 = 3,367,757.80 : x - Step 2: Convert to fraction form
7,629,783.40/11,444,675.10 = 3,367,757.80/x - Step 3: Cross multiply
7,629,783.40x = 11,444,675.10 × 3,367,757.80 - Step 4: Simplify right side
7,629,783.40x = 38,542,893,836,490.77 - Step 5: Solve for x
x = 38,542,893,836,490.77/7,629,783.40 - Step 6: Final answer
x = 5,051,636.70
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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.