Finding the Fourth Proportional to 8,453,265.68, 12,680,426.14 and 2,388,463.18
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Solution
The fourth proportional to 8,453,265.68, 12,680,426.14 and 2,388,463.18 is: 3,582,843.84
Step by Step Solution
- Step 1: Write the proportion equation
8,453,265.68 : 12,680,426.14 = 2,388,463.18 : x - Step 2: Convert to fraction form
8,453,265.68/12,680,426.14 = 2,388,463.18/x - Step 3: Cross multiply
8,453,265.68x = 12,680,426.14 × 2,388,463.18 - Step 4: Simplify right side
8,453,265.68x = 30,286,730,904,427.30 - Step 5: Solve for x
x = 30,286,730,904,427.30/8,453,265.68 - Step 6: Final answer
x = 3,582,843.84
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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.