Finding the Fourth Proportional to 14,213,691.97, 19,614,894.78 and 7,687,321.24
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Solution
The fourth proportional to 14,213,691.97, 19,614,894.78 and 7,687,321.24 is: 10,608,503.24
Step by Step Solution
- Step 1: Write the proportion equation
14,213,691.97 : 19,614,894.78 = 7,687,321.24 : x - Step 2: Convert to fraction form
14,213,691.97/19,614,894.78 = 7,687,321.24/x - Step 3: Cross multiply
14,213,691.97x = 19,614,894.78 × 7,687,321.24 - Step 4: Simplify right side
14,213,691.97x = 150,785,997,262,659.16 - Step 5: Solve for x
x = 150,785,997,262,659.16/14,213,691.97 - Step 6: Final answer
x = 10,608,503.24
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.