Finding the Fourth Proportional to 8,334,514.08, 12,493,245.96 and 5,639,123.88
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Solution
The fourth proportional to 8,334,514.08, 12,493,245.96 and 5,639,123.88 is: 8,452,917.71
Step by Step Solution
- Step 1: Write the proportion equation
8,334,514.08 : 12,493,245.96 = 5,639,123.88 : x - Step 2: Convert to fraction form
8,334,514.08/12,493,245.96 = 5,639,123.88/x - Step 3: Cross multiply
8,334,514.08x = 12,493,245.96 × 5,639,123.88 - Step 4: Simplify right side
8,334,514.08x = 70,450,961,631,749.53 - Step 5: Solve for x
x = 70,450,961,631,749.53/8,334,514.08 - Step 6: Final answer
x = 8,452,917.71
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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.