Finding the Fourth Proportional to 10,661,933.76, 14,715,362.88 and 6,313,434.24
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Solution
The fourth proportional to 10,661,933.76, 14,715,362.88 and 6,313,434.24 is: 8,713,660.95
Step by Step Solution
- Step 1: Write the proportion equation
10,661,933.76 : 14,715,362.88 = 6,313,434.24 : x - Step 2: Convert to fraction form
10,661,933.76/14,715,362.88 = 6,313,434.24/x - Step 3: Cross multiply
10,661,933.76x = 14,715,362.88 × 6,313,434.24 - Step 4: Simplify right side
10,661,933.76x = 92,904,475,860,617.02 - Step 5: Solve for x
x = 92,904,475,860,617.02/10,661,933.76 - Step 6: Final answer
x = 8,713,660.95
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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.