Finding the Fourth Proportional to 22,403,554.96, 30,914,350.36 and 12,613,747.44
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Solution
The fourth proportional to 22,403,554.96, 30,914,350.36 and 12,613,747.44 is: 17,405,532.67
Step by Step Solution
- Step 1: Write the proportion equation
22,403,554.96 : 30,914,350.36 = 12,613,747.44 : x - Step 2: Convert to fraction form
22,403,554.96/30,914,350.36 = 12,613,747.44/x - Step 3: Cross multiply
22,403,554.96x = 30,914,350.36 × 12,613,747.44 - Step 4: Simplify right side
22,403,554.96x = 389,945,807,712,713.06 - Step 5: Solve for x
x = 389,945,807,712,713.06/22,403,554.96 - Step 6: Final answer
x = 17,405,532.67
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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.