Finding the Fourth Proportional to 18,413,624.48, 27,621,543.89 and 5,634,239.90
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Solution
The fourth proportional to 18,413,624.48, 27,621,543.89 and 5,634,239.90 is: 8,451,698.62
Step by Step Solution
- Step 1: Write the proportion equation
18,413,624.48 : 27,621,543.89 = 5,634,239.90 : x - Step 2: Convert to fraction form
18,413,624.48/27,621,543.89 = 5,634,239.90/x - Step 3: Cross multiply
18,413,624.48x = 27,621,543.89 × 5,634,239.90 - Step 4: Simplify right side
18,413,624.48x = 155,626,404,684,639.22 - Step 5: Solve for x
x = 155,626,404,684,639.22/18,413,624.48 - Step 6: Final answer
x = 8,451,698.62
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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.