Finding the Fourth Proportional to 8,518,742.48, 12,770,648.76 and 3,203,690.96
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Solution
The fourth proportional to 8,518,742.48, 12,770,648.76 and 3,203,690.96 is: 4,802,729.05
Step by Step Solution
- Step 1: Write the proportion equation
8,518,742.48 : 12,770,648.76 = 3,203,690.96 : x - Step 2: Convert to fraction form
8,518,742.48/12,770,648.76 = 3,203,690.96/x - Step 3: Cross multiply
8,518,742.48x = 12,770,648.76 × 3,203,690.96 - Step 4: Simplify right side
8,518,742.48x = 40,913,211,985,747.21 - Step 5: Solve for x
x = 40,913,211,985,747.21/8,518,742.48 - Step 6: Final answer
x = 4,802,729.05
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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.