Finding the Fourth Proportional to 20,052,437.76, 27,664,612.20 and 11,348,614.08
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Solution
The fourth proportional to 20,052,437.76, 27,664,612.20 and 11,348,614.08 is: 15,656,700.26
Step by Step Solution
- Step 1: Write the proportion equation
20,052,437.76 : 27,664,612.20 = 11,348,614.08 : x - Step 2: Convert to fraction form
20,052,437.76/27,664,612.20 = 11,348,614.08/x - Step 3: Cross multiply
20,052,437.76x = 27,664,612.20 × 11,348,614.08 - Step 4: Simplify right side
20,052,437.76x = 313,955,007,530,659.75 - Step 5: Solve for x
x = 313,955,007,530,659.75/20,052,437.76 - Step 6: Final answer
x = 15,656,700.26
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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.