Finding the Fourth Proportional to 18,361,057.66, 27,540,589.80 and 5,580,565.92
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Solution
The fourth proportional to 18,361,057.66, 27,540,589.80 and 5,580,565.92 is: 8,370,545.95
Step by Step Solution
- Step 1: Write the proportion equation
18,361,057.66 : 27,540,589.80 = 5,580,565.92 : x - Step 2: Convert to fraction form
18,361,057.66/27,540,589.80 = 5,580,565.92/x - Step 3: Cross multiply
18,361,057.66x = 27,540,589.80 × 5,580,565.92 - Step 4: Simplify right side
18,361,057.66x = 153,692,076,854,579.62 - Step 5: Solve for x
x = 153,692,076,854,579.62/18,361,057.66 - Step 6: Final answer
x = 8,370,545.95
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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.