Finding the Fourth Proportional to 14,414,321.93, 19,891,764 and 7,887,953.54
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Solution
The fourth proportional to 14,414,321.93, 19,891,764 and 7,887,953.54 is: 10,885,375.75
Step by Step Solution
- Step 1: Write the proportion equation
14,414,321.93 : 19,891,764 = 7,887,953.54 : x - Step 2: Convert to fraction form
14,414,321.93/19,891,764 = 7,887,953.54/x - Step 3: Cross multiply
14,414,321.93x = 19,891,764 × 7,887,953.54 - Step 4: Simplify right side
14,414,321.93x = 156,905,310,310,373.97 - Step 5: Solve for x
x = 156,905,310,310,373.97/14,414,321.93 - Step 6: Final answer
x = 10,885,375.75
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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.