Finding the Fourth Proportional to 18,181,405.80, 27,272,108.70 and 4,718,233.80
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Solution
The fourth proportional to 18,181,405.80, 27,272,108.70 and 4,718,233.80 is: 7,077,350.70
Step by Step Solution
- Step 1: Write the proportion equation
18,181,405.80 : 27,272,108.70 = 4,718,233.80 : x - Step 2: Convert to fraction form
18,181,405.80/27,272,108.70 = 4,718,233.80/x - Step 3: Cross multiply
18,181,405.80x = 27,272,108.70 × 4,718,233.80 - Step 4: Simplify right side
18,181,405.80x = 128,676,185,065,614.05 - Step 5: Solve for x
x = 128,676,185,065,614.05/18,181,405.80 - Step 6: Final answer
x = 7,077,350.70
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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.