Finding the Fourth Proportional to 8,217,438.40, 12,325,224.48 and 3,168,326.08
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Solution
The fourth proportional to 8,217,438.40, 12,325,224.48 and 3,168,326.08 is: 4,752,129.35
Step by Step Solution
- Step 1: Write the proportion equation
8,217,438.40 : 12,325,224.48 = 3,168,326.08 : x - Step 2: Convert to fraction form
8,217,438.40/12,325,224.48 = 3,168,326.08/x - Step 3: Cross multiply
8,217,438.40x = 12,325,224.48 × 3,168,326.08 - Step 4: Simplify right side
8,217,438.40x = 39,050,330,161,838.44 - Step 5: Solve for x
x = 39,050,330,161,838.44/8,217,438.40 - Step 6: Final answer
x = 4,752,129.35
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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.