Finding the Fourth Proportional to 36,149,540.14, 54,224,191.94 and 13,120,443.96
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Solution
The fourth proportional to 36,149,540.14, 54,224,191.94 and 13,120,443.96 is: 19,680,623.02
Step by Step Solution
- Step 1: Write the proportion equation
36,149,540.14 : 54,224,191.94 = 13,120,443.96 : x - Step 2: Convert to fraction form
36,149,540.14/54,224,191.94 = 13,120,443.96/x - Step 3: Cross multiply
36,149,540.14x = 54,224,191.94 × 13,120,443.96 - Step 4: Simplify right side
36,149,540.14x = 711,445,471,924,391 - Step 5: Solve for x
x = 711,445,471,924,391/36,149,540.14 - Step 6: Final answer
x = 19,680,623.02
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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.