Finding the Fourth Proportional to 7,786,487.08, 10,743,791.68 and 4,348,199.08
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Solution
The fourth proportional to 7,786,487.08, 10,743,791.68 and 4,348,199.08 is: 5,999,643.31
Step by Step Solution
- Step 1: Write the proportion equation
7,786,487.08 : 10,743,791.68 = 4,348,199.08 : x - Step 2: Convert to fraction form
7,786,487.08/10,743,791.68 = 4,348,199.08/x - Step 3: Cross multiply
7,786,487.08x = 10,743,791.68 × 4,348,199.08 - Step 4: Simplify right side
7,786,487.08x = 46,716,145,098,687.66 - Step 5: Solve for x
x = 46,716,145,098,687.66/7,786,487.08 - Step 6: Final answer
x = 5,999,643.31
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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.