Finding the Fourth Proportional to 18,361,053.91, 27,540,584.18 and 5,580,562.17
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Solution
The fourth proportional to 18,361,053.91, 27,540,584.18 and 5,580,562.17 is: 8,370,540.32
Step by Step Solution
- Step 1: Write the proportion equation
18,361,053.91 : 27,540,584.18 = 5,580,562.17 : x - Step 2: Convert to fraction form
18,361,053.91/27,540,584.18 = 5,580,562.17/x - Step 3: Cross multiply
18,361,053.91x = 27,540,584.18 × 5,580,562.17 - Step 4: Simplify right side
18,361,053.91x = 153,691,942,049,002.75 - Step 5: Solve for x
x = 153,691,942,049,002.75/18,361,053.91 - Step 6: Final answer
x = 8,370,540.32
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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.