Finding the Fourth Proportional to 11,805,586.85, 17,668,381.41 and 7,259,514.63
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Solution
The fourth proportional to 11,805,586.85, 17,668,381.41 and 7,259,514.63 is: 10,864,675.77
Step by Step Solution
- Step 1: Write the proportion equation
11,805,586.85 : 17,668,381.41 = 7,259,514.63 : x - Step 2: Convert to fraction form
11,805,586.85/17,668,381.41 = 7,259,514.63/x - Step 3: Cross multiply
11,805,586.85x = 17,668,381.41 × 7,259,514.63 - Step 4: Simplify right side
11,805,586.85x = 128,263,873,334,315.03 - Step 5: Solve for x
x = 128,263,873,334,315.03/11,805,586.85 - Step 6: Final answer
x = 10,864,675.77
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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.