Finding the Fourth Proportional to 18,145,501.05, 27,218,251.58 and 9,075,574.65
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Solution
The fourth proportional to 18,145,501.05, 27,218,251.58 and 9,075,574.65 is: 13,613,361.98
Step by Step Solution
- Step 1: Write the proportion equation
18,145,501.05 : 27,218,251.58 = 9,075,574.65 : x - Step 2: Convert to fraction form
18,145,501.05/27,218,251.58 = 9,075,574.65/x - Step 3: Cross multiply
18,145,501.05x = 27,218,251.58 × 9,075,574.65 - Step 4: Simplify right side
18,145,501.05x = 247,021,274,011,392.56 - Step 5: Solve for x
x = 247,021,274,011,392.56/18,145,501.05 - Step 6: Final answer
x = 13,613,361.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.