Finding the Fourth Proportional to 8,158,641.09, 12,236,631.21 and 2,400,027.70
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Solution
The fourth proportional to 8,158,641.09, 12,236,631.21 and 2,400,027.70 is: 3,599,650.18
Step by Step Solution
- Step 1: Write the proportion equation
8,158,641.09 : 12,236,631.21 = 2,400,027.70 : x - Step 2: Convert to fraction form
8,158,641.09/12,236,631.21 = 2,400,027.70/x - Step 3: Cross multiply
8,158,641.09x = 12,236,631.21 × 2,400,027.70 - Step 4: Simplify right side
8,158,641.09x = 29,368,253,858,684.52 - Step 5: Solve for x
x = 29,368,253,858,684.52/8,158,641.09 - Step 6: Final answer
x = 3,599,650.18
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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.