Finding the Fourth Proportional to 14,665,057.68, 21,997,586.60 and 7,820,895.68
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Solution
The fourth proportional to 14,665,057.68, 21,997,586.60 and 7,820,895.68 is: 11,731,343.56
Step by Step Solution
- Step 1: Write the proportion equation
14,665,057.68 : 21,997,586.60 = 7,820,895.68 : x - Step 2: Convert to fraction form
14,665,057.68/21,997,586.60 = 7,820,895.68/x - Step 3: Cross multiply
14,665,057.68x = 21,997,586.60 × 7,820,895.68 - Step 4: Simplify right side
14,665,057.68x = 172,040,830,010,365.91 - Step 5: Solve for x
x = 172,040,830,010,365.91/14,665,057.68 - Step 6: Final answer
x = 11,731,343.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.