Finding the Fourth Proportional to 18,426,209.64, 27,643,357.97 and 5,647,675.56
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Solution
The fourth proportional to 18,426,209.64, 27,643,357.97 and 5,647,675.56 is: 8,472,752.69
Step by Step Solution
- Step 1: Write the proportion equation
18,426,209.64 : 27,643,357.97 = 5,647,675.56 : x - Step 2: Convert to fraction form
18,426,209.64/27,643,357.97 = 5,647,675.56/x - Step 3: Cross multiply
18,426,209.64x = 27,643,357.97 × 5,647,675.56 - Step 4: Simplify right side
18,426,209.64x = 156,120,717,203,500.19 - Step 5: Solve for x
x = 156,120,717,203,500.19/18,426,209.64 - Step 6: Final answer
x = 8,472,752.69
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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.