Finding the Fourth Proportional to 11,814,725.40, 17,715,089.70 and 6,146,021.40
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Solution
The fourth proportional to 11,814,725.40, 17,715,089.70 and 6,146,021.40 is: 9,215,391.53
Step by Step Solution
- Step 1: Write the proportion equation
11,814,725.40 : 17,715,089.70 = 6,146,021.40 : x - Step 2: Convert to fraction form
11,814,725.40/17,715,089.70 = 6,146,021.40/x - Step 3: Cross multiply
11,814,725.40x = 17,715,089.70 × 6,146,021.40 - Step 4: Simplify right side
11,814,725.40x = 108,877,320,399,119.58 - Step 5: Solve for x
x = 108,877,320,399,119.58/11,814,725.40 - Step 6: Final answer
x = 9,215,391.53
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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.