Finding the Fourth Proportional to 8,543,903.26, 12,817,954.80 and 2,560,271.26
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Solution
The fourth proportional to 8,543,903.26, 12,817,954.80 and 2,560,271.26 is: 3,841,036.15
Step by Step Solution
- Step 1: Write the proportion equation
8,543,903.26 : 12,817,954.80 = 2,560,271.26 : x - Step 2: Convert to fraction form
8,543,903.26/12,817,954.80 = 2,560,271.26/x - Step 3: Cross multiply
8,543,903.26x = 12,817,954.80 × 2,560,271.26 - Step 4: Simplify right side
8,543,903.26x = 32,817,441,286,419.05 - Step 5: Solve for x
x = 32,817,441,286,419.05/8,543,903.26 - Step 6: Final answer
x = 3,841,036.15
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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.