Finding the Fourth Proportional to 8,271,613.70, 12,407,809.35 and 2,592,023.30
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Solution
The fourth proportional to 8,271,613.70, 12,407,809.35 and 2,592,023.30 is: 3,888,156.79
Step by Step Solution
- Step 1: Write the proportion equation
8,271,613.70 : 12,407,809.35 = 2,592,023.30 : x - Step 2: Convert to fraction form
8,271,613.70/12,407,809.35 = 2,592,023.30/x - Step 3: Cross multiply
8,271,613.70x = 12,407,809.35 × 2,592,023.30 - Step 4: Simplify right side
8,271,613.70x = 32,161,330,937,157.85 - Step 5: Solve for x
x = 32,161,330,937,157.85/8,271,613.70 - Step 6: Final answer
x = 3,888,156.79
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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.