Finding the Fourth Proportional to 36,284,397.60, 54,351,946.80 and 18,343,610.40
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Solution
The fourth proportional to 36,284,397.60, 54,351,946.80 and 18,343,610.40 is: 27,477,676.43
Step by Step Solution
- Step 1: Write the proportion equation
36,284,397.60 : 54,351,946.80 = 18,343,610.40 : x - Step 2: Convert to fraction form
36,284,397.60/54,351,946.80 = 18,343,610.40/x - Step 3: Cross multiply
36,284,397.60x = 54,351,946.80 × 18,343,610.40 - Step 4: Simplify right side
36,284,397.60x = 997,010,936,580,726.62 - Step 5: Solve for x
x = 997,010,936,580,726.62/36,284,397.60 - Step 6: Final answer
x = 27,477,676.43
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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.