Finding the Fourth Proportional to 14,270,593.46, 19,693,431.86 and 7,744,222.99
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Solution
The fourth proportional to 14,270,593.46, 19,693,431.86 and 7,744,222.99 is: 10,687,034.71
Step by Step Solution
- Step 1: Write the proportion equation
14,270,593.46 : 19,693,431.86 = 7,744,222.99 : x - Step 2: Convert to fraction form
14,270,593.46/19,693,431.86 = 7,744,222.99/x - Step 3: Cross multiply
14,270,593.46x = 19,693,431.86 × 7,744,222.99 - Step 4: Simplify right side
14,270,593.46x = 152,510,327,625,022.19 - Step 5: Solve for x
x = 152,510,327,625,022.19/14,270,593.46 - Step 6: Final answer
x = 10,687,034.71
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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.