Finding the Fourth Proportional to 13,632,326.10, 20,438,319.60 and 8,239,840.20
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Solution
The fourth proportional to 13,632,326.10, 20,438,319.60 and 8,239,840.20 is: 12,353,613.48
Step by Step Solution
- Step 1: Write the proportion equation
13,632,326.10 : 20,438,319.60 = 8,239,840.20 : x - Step 2: Convert to fraction form
13,632,326.10/20,438,319.60 = 8,239,840.20/x - Step 3: Cross multiply
13,632,326.10x = 20,438,319.60 × 8,239,840.20 - Step 4: Simplify right side
13,632,326.10x = 168,408,487,460,527.94 - Step 5: Solve for x
x = 168,408,487,460,527.94/13,632,326.10 - Step 6: Final answer
x = 12,353,613.48
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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.