Finding the Fourth Proportional to 18,619,467.68, 27,930,252.04 and 5,666,040.50
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Solution
The fourth proportional to 18,619,467.68, 27,930,252.04 and 5,666,040.50 is: 8,499,380.42
Step by Step Solution
- Step 1: Write the proportion equation
18,619,467.68 : 27,930,252.04 = 5,666,040.50 : x - Step 2: Convert to fraction form
18,619,467.68/27,930,252.04 = 5,666,040.50/x - Step 3: Cross multiply
18,619,467.68x = 27,930,252.04 × 5,666,040.50 - Step 4: Simplify right side
18,619,467.68x = 158,253,939,080,031.28 - Step 5: Solve for x
x = 158,253,939,080,031.28/18,619,467.68 - Step 6: Final answer
x = 8,499,380.42
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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.