Finding the Fourth Proportional to 20,052,439.76, 27,664,614.96 and 11,348,616.08
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Solution
The fourth proportional to 20,052,439.76, 27,664,614.96 and 11,348,616.08 is: 15,656,703.02
Step by Step Solution
- Step 1: Write the proportion equation
20,052,439.76 : 27,664,614.96 = 11,348,616.08 : x - Step 2: Convert to fraction form
20,052,439.76/27,664,614.96 = 11,348,616.08/x - Step 3: Cross multiply
20,052,439.76x = 27,664,614.96 × 11,348,616.08 - Step 4: Simplify right side
20,052,439.76x = 313,955,094,182,064.56 - Step 5: Solve for x
x = 313,955,094,182,064.56/20,052,439.76 - Step 6: Final answer
x = 15,656,703.02
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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.