Finding the Fourth Proportional to 18,405,637.16, 27,608,527.02 and 5,626,092.20
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Solution
The fourth proportional to 18,405,637.16, 27,608,527.02 and 5,626,092.20 is: 8,439,160.09
Step by Step Solution
- Step 1: Write the proportion equation
18,405,637.16 : 27,608,527.02 = 5,626,092.20 : x - Step 2: Convert to fraction form
18,405,637.16/27,608,527.02 = 5,626,092.20/x - Step 3: Cross multiply
18,405,637.16x = 27,608,527.02 × 5,626,092.20 - Step 4: Simplify right side
18,405,637.16x = 155,328,118,520,711.25 - Step 5: Solve for x
x = 155,328,118,520,711.25/18,405,637.16 - Step 6: Final answer
x = 8,439,160.09
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1.5x scale
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.