Finding the Fourth Proportional to 7,705,447.87, 10,633,387.74 and 4,267,615.09
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Solution
The fourth proportional to 7,705,447.87, 10,633,387.74 and 4,267,615.09 is: 5,889,236.65
Step by Step Solution
- Step 1: Write the proportion equation
7,705,447.87 : 10,633,387.74 = 4,267,615.09 : x - Step 2: Convert to fraction form
7,705,447.87/10,633,387.74 = 4,267,615.09/x - Step 3: Cross multiply
7,705,447.87x = 10,633,387.74 × 4,267,615.09 - Step 4: Simplify right side
7,705,447.87x = 45,379,205,987,714.03 - Step 5: Solve for x
x = 45,379,205,987,714.03/7,705,447.87 - Step 6: Final answer
x = 5,889,236.65
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1.5x scale
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.