Finding the Fourth Proportional to 18,361,234.51, 27,540,855.63 and 5,580,742.73
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Solution
The fourth proportional to 18,361,234.51, 27,540,855.63 and 5,580,742.73 is: 8,370,811.32
Step by Step Solution
- Step 1: Write the proportion equation
18,361,234.51 : 27,540,855.63 = 5,580,742.73 : x - Step 2: Convert to fraction form
18,361,234.51/27,540,855.63 = 5,580,742.73/x - Step 3: Cross multiply
18,361,234.51x = 27,540,855.63 × 5,580,742.73 - Step 4: Simplify right side
18,361,234.51x = 153,698,429,697,397.78 - Step 5: Solve for x
x = 153,698,429,697,397.78/18,361,234.51 - Step 6: Final answer
x = 8,370,811.32
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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.