Finding the Fourth Proportional to 18,361,058.16, 27,540,590.55 and 5,580,566.42
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Solution
The fourth proportional to 18,361,058.16, 27,540,590.55 and 5,580,566.42 is: 8,370,546.69
Step by Step Solution
- Step 1: Write the proportion equation
18,361,058.16 : 27,540,590.55 = 5,580,566.42 : x - Step 2: Convert to fraction form
18,361,058.16/27,540,590.55 = 5,580,566.42/x - Step 3: Cross multiply
18,361,058.16x = 27,540,590.55 × 5,580,566.42 - Step 4: Simplify right side
18,361,058.16x = 153,692,094,672,596.38 - Step 5: Solve for x
x = 153,692,094,672,596.38/18,361,058.16 - Step 6: Final answer
x = 8,370,546.69
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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.