Finding the Fourth Proportional to 8,118,041.94, 12,177,631.53 and 3,260,348.82
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Solution
The fourth proportional to 8,118,041.94, 12,177,631.53 and 3,260,348.82 is: 4,890,751.60
Step by Step Solution
- Step 1: Write the proportion equation
8,118,041.94 : 12,177,631.53 = 3,260,348.82 : x - Step 2: Convert to fraction form
8,118,041.94/12,177,631.53 = 3,260,348.82/x - Step 3: Cross multiply
8,118,041.94x = 12,177,631.53 × 3,260,348.82 - Step 4: Simplify right side
8,118,041.94x = 39,703,326,589,230.29 - Step 5: Solve for x
x = 39,703,326,589,230.29/8,118,041.94 - Step 6: Final answer
x = 4,890,751.60
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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.