Finding the Fourth Proportional to 12,083,734.35, 18,125,601.53 and 8,493,555.15
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Solution
The fourth proportional to 12,083,734.35, 18,125,601.53 and 8,493,555.15 is: 12,740,332.73
Step by Step Solution
- Step 1: Write the proportion equation
12,083,734.35 : 18,125,601.53 = 8,493,555.15 : x - Step 2: Convert to fraction form
12,083,734.35/18,125,601.53 = 8,493,555.15/x - Step 3: Cross multiply
12,083,734.35x = 18,125,601.53 × 8,493,555.15 - Step 4: Simplify right side
12,083,734.35x = 153,950,796,179,511.59 - Step 5: Solve for x
x = 153,950,796,179,511.59/12,083,734.35 - Step 6: Final answer
x = 12,740,332.73
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Similar ratio
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1.5x scale
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.