Finding the Fourth Proportional to 7,741,756.64, 11,614,031.22 and 3,190,272.03
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Solution
The fourth proportional to 7,741,756.64, 11,614,031.22 and 3,190,272.03 is: 4,785,983.43
Step by Step Solution
- Step 1: Write the proportion equation
7,741,756.64 : 11,614,031.22 = 3,190,272.03 : x - Step 2: Convert to fraction form
7,741,756.64/11,614,031.22 = 3,190,272.03/x - Step 3: Cross multiply
7,741,756.64x = 11,614,031.22 × 3,190,272.03 - Step 4: Simplify right side
7,741,756.64x = 37,051,918,956,712.77 - Step 5: Solve for x
x = 37,051,918,956,712.77/7,741,756.64 - Step 6: Final answer
x = 4,785,983.43
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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.