Finding the Fourth Proportional to 18,366,540.64, 27,553,796.42 and 5,586,713.20
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Solution
The fourth proportional to 18,366,540.64, 27,553,796.42 and 5,586,713.20 is: 8,381,282.09
Step by Step Solution
- Step 1: Write the proportion equation
18,366,540.64 : 27,553,796.42 = 5,586,713.20 : x - Step 2: Convert to fraction form
18,366,540.64/27,553,796.42 = 5,586,713.20/x - Step 3: Cross multiply
18,366,540.64x = 27,553,796.42 × 5,586,713.20 - Step 4: Simplify right side
18,366,540.64x = 153,935,158,169,726.75 - Step 5: Solve for x
x = 153,935,158,169,726.75/18,366,540.64 - Step 6: Final answer
x = 8,381,282.09
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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.