Finding the Fourth Proportional to 11,455,422.44, 17,190,613.26 and 4,272,702.08
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Solution
The fourth proportional to 11,455,422.44, 17,190,613.26 and 4,272,702.08 is: 6,411,842.89
Step by Step Solution
- Step 1: Write the proportion equation
11,455,422.44 : 17,190,613.26 = 4,272,702.08 : x - Step 2: Convert to fraction form
11,455,422.44/17,190,613.26 = 4,272,702.08/x - Step 3: Cross multiply
11,455,422.44x = 17,190,613.26 × 4,272,702.08 - Step 4: Simplify right side
11,455,422.44x = 73,450,368,946,524.53 - Step 5: Solve for x
x = 73,450,368,946,524.53/11,455,422.44 - Step 6: Final answer
x = 6,411,842.89
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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.