Finding the Fourth Proportional to 27,088,231.28, 37,382,837.40 and 14,865,525.68
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Solution
The fourth proportional to 27,088,231.28, 37,382,837.40 and 14,865,525.68 is: 20,515,017.15
Step by Step Solution
- Step 1: Write the proportion equation
27,088,231.28 : 37,382,837.40 = 14,865,525.68 : x - Step 2: Convert to fraction form
27,088,231.28/37,382,837.40 = 14,865,525.68/x - Step 3: Cross multiply
27,088,231.28x = 37,382,837.40 × 14,865,525.68 - Step 4: Simplify right side
27,088,231.28x = 555,715,529,360,964.38 - Step 5: Solve for x
x = 555,715,529,360,964.38/27,088,231.28 - Step 6: Final answer
x = 20,515,017.15
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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.