Finding the Fourth Proportional to 7,440,174.63, 10,266,731.73 and 4,176,241.29
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Solution
The fourth proportional to 7,440,174.63, 10,266,731.73 and 4,176,241.29 is: 5,762,814.87
Step by Step Solution
- Step 1: Write the proportion equation
7,440,174.63 : 10,266,731.73 = 4,176,241.29 : x - Step 2: Convert to fraction form
7,440,174.63/10,266,731.73 = 4,176,241.29/x - Step 3: Cross multiply
7,440,174.63x = 10,266,731.73 × 4,176,241.29 - Step 4: Simplify right side
7,440,174.63x = 42,876,348,964,179.13 - Step 5: Solve for x
x = 42,876,348,964,179.13/7,440,174.63 - Step 6: Final answer
x = 5,762,814.87
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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.