Finding the Fourth Proportional to 7,613,965.96, 11,423,939.66 and 3,351,145.74
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Solution
The fourth proportional to 7,613,965.96, 11,423,939.66 and 3,351,145.74 is: 5,028,034.92
Step by Step Solution
- Step 1: Write the proportion equation
7,613,965.96 : 11,423,939.66 = 3,351,145.74 : x - Step 2: Convert to fraction form
7,613,965.96/11,423,939.66 = 3,351,145.74/x - Step 3: Cross multiply
7,613,965.96x = 11,423,939.66 × 3,351,145.74 - Step 4: Simplify right side
7,613,965.96x = 38,283,286,725,626.05 - Step 5: Solve for x
x = 38,283,286,725,626.05/7,613,965.96 - Step 6: Final answer
x = 5,028,034.92
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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.