Finding the Fourth Proportional to 8,215,019.99, 11,335,966.79 and 4,543,857.56
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Solution
The fourth proportional to 8,215,019.99, 11,335,966.79 and 4,543,857.56 is: 6,270,102.62
Step by Step Solution
- Step 1: Write the proportion equation
8,215,019.99 : 11,335,966.79 = 4,543,857.56 : x - Step 2: Convert to fraction form
8,215,019.99/11,335,966.79 = 4,543,857.56/x - Step 3: Cross multiply
8,215,019.99x = 11,335,966.79 × 4,543,857.56 - Step 4: Simplify right side
8,215,019.99x = 51,509,018,319,251.30 - Step 5: Solve for x
x = 51,509,018,319,251.30/8,215,019.99 - Step 6: Final answer
x = 6,270,102.62
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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.