Finding the Fourth Proportional to 11,275,741.62, 15,560,637.57 and 6,119,147.70
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Solution
The fourth proportional to 11,275,741.62, 15,560,637.57 and 6,119,147.70 is: 8,444,485.76
Step by Step Solution
- Step 1: Write the proportion equation
11,275,741.62 : 15,560,637.57 = 6,119,147.70 : x - Step 2: Convert to fraction form
11,275,741.62/15,560,637.57 = 6,119,147.70/x - Step 3: Cross multiply
11,275,741.62x = 15,560,637.57 × 6,119,147.70 - Step 4: Simplify right side
11,275,741.62x = 95,217,839,596,999.09 - Step 5: Solve for x
x = 95,217,839,596,999.09/11,275,741.62 - Step 6: Final answer
x = 8,444,485.76
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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.