Finding the Fourth Proportional to 14,918,903.68, 20,586,643.96 and 8,394,791.08
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Solution
The fourth proportional to 14,918,903.68, 20,586,643.96 and 8,394,791.08 is: 11,583,999.66
Step by Step Solution
- Step 1: Write the proportion equation
14,918,903.68 : 20,586,643.96 = 8,394,791.08 : x - Step 2: Convert to fraction form
14,918,903.68/20,586,643.96 = 8,394,791.08/x - Step 3: Cross multiply
14,918,903.68x = 20,586,643.96 × 8,394,791.08 - Step 4: Simplify right side
14,918,903.68x = 172,820,575,082,543.88 - Step 5: Solve for x
x = 172,820,575,082,543.88/14,918,903.68 - Step 6: Final answer
x = 11,583,999.66
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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.