Finding the Fourth Proportional to 10,505,504.05, 14,497,817.42 and 5,921,824.21
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Solution
The fourth proportional to 10,505,504.05, 14,497,817.42 and 5,921,824.21 is: 8,172,242.45
Step by Step Solution
- Step 1: Write the proportion equation
10,505,504.05 : 14,497,817.42 = 5,921,824.21 : x - Step 2: Convert to fraction form
10,505,504.05/14,497,817.42 = 5,921,824.21/x - Step 3: Cross multiply
10,505,504.05x = 14,497,817.42 × 5,921,824.21 - Step 4: Simplify right side
10,505,504.05x = 85,853,526,087,817.53 - Step 5: Solve for x
x = 85,853,526,087,817.53/10,505,504.05 - Step 6: Final answer
x = 8,172,242.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.