Finding the Fourth Proportional to 7,971,536, 11,949,309.84 and 4,131,207.74
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Solution
The fourth proportional to 7,971,536, 11,949,309.84 and 4,131,207.74 is: 6,192,668.68
Step by Step Solution
- Step 1: Write the proportion equation
7,971,536 : 11,949,309.84 = 4,131,207.74 : x - Step 2: Convert to fraction form
7,971,536/11,949,309.84 = 4,131,207.74/x - Step 3: Cross multiply
7,971,536x = 11,949,309.84 × 4,131,207.74 - Step 4: Simplify right side
7,971,536x = 49,365,081,298,666.16 - Step 5: Solve for x
x = 49,365,081,298,666.16/7,971,536 - Step 6: Final answer
x = 6,192,668.68
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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.