Finding the Fourth Proportional to 18,361,058.34, 27,540,590.79 and 5,580,566.58
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Solution
The fourth proportional to 18,361,058.34, 27,540,590.79 and 5,580,566.58 is: 8,370,546.93
Step by Step Solution
- Step 1: Write the proportion equation
18,361,058.34 : 27,540,590.79 = 5,580,566.58 : x - Step 2: Convert to fraction form
18,361,058.34/27,540,590.79 = 5,580,566.58/x - Step 3: Cross multiply
18,361,058.34x = 27,540,590.79 × 5,580,566.58 - Step 4: Simplify right side
18,361,058.34x = 153,692,100,556,129.78 - Step 5: Solve for x
x = 153,692,100,556,129.78/18,361,058.34 - Step 6: Final answer
x = 8,370,546.93
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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.