Finding the Fourth Proportional to 36,284,265.60, 54,351,748.80 and 18,343,478.40
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Solution
The fourth proportional to 36,284,265.60, 54,351,748.80 and 18,343,478.40 is: 27,477,478.56
Step by Step Solution
- Step 1: Write the proportion equation
36,284,265.60 : 54,351,748.80 = 18,343,478.40 : x - Step 2: Convert to fraction form
36,284,265.60/54,351,748.80 = 18,343,478.40/x - Step 3: Cross multiply
36,284,265.60x = 54,351,748.80 × 18,343,478.40 - Step 4: Simplify right side
36,284,265.60x = 997,000,130,115,025.75 - Step 5: Solve for x
x = 997,000,130,115,025.75/36,284,265.60 - Step 6: Final answer
x = 27,477,478.56
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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.