Finding the Fourth Proportional to 8,129,381.63, 12,198,796.38 and 3,641,657.63
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Solution
The fourth proportional to 8,129,381.63, 12,198,796.38 and 3,641,657.63 is: 5,464,602.59
Step by Step Solution
- Step 1: Write the proportion equation
8,129,381.63 : 12,198,796.38 = 3,641,657.63 : x - Step 2: Convert to fraction form
8,129,381.63/12,198,796.38 = 3,641,657.63/x - Step 3: Cross multiply
8,129,381.63x = 12,198,796.38 × 3,641,657.63 - Step 4: Simplify right side
8,129,381.63x = 44,423,839,853,049.40 - Step 5: Solve for x
x = 44,423,839,853,049.40/8,129,381.63 - Step 6: Final answer
x = 5,464,602.59
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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.