Finding the Fourth Proportional to 18,503,586.88, 27,642,924.26 and 11,973,463.96
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Solution
The fourth proportional to 18,503,586.88, 27,642,924.26 and 11,973,463.96 is: 17,887,426.88
Step by Step Solution
- Step 1: Write the proportion equation
18,503,586.88 : 27,642,924.26 = 11,973,463.96 : x - Step 2: Convert to fraction form
18,503,586.88/27,642,924.26 = 11,973,463.96/x - Step 3: Cross multiply
18,503,586.88x = 27,642,924.26 × 11,973,463.96 - Step 4: Simplify right side
18,503,586.88x = 330,981,557,376,119.69 - Step 5: Solve for x
x = 330,981,557,376,119.69/18,503,586.88 - Step 6: Final answer
x = 17,887,426.88
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.