Finding the Fourth Proportional to 13,234,463.80, 19,855,151.70 and 4,259,231.80
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Solution
The fourth proportional to 13,234,463.80, 19,855,151.70 and 4,259,231.80 is: 6,389,959.94
Step by Step Solution
- Step 1: Write the proportion equation
13,234,463.80 : 19,855,151.70 = 4,259,231.80 : x - Step 2: Convert to fraction form
13,234,463.80/19,855,151.70 = 4,259,231.80/x - Step 3: Cross multiply
13,234,463.80x = 19,855,151.70 × 4,259,231.80 - Step 4: Simplify right side
13,234,463.80x = 84,567,693,514,464.05 - Step 5: Solve for x
x = 84,567,693,514,464.05/13,234,463.80 - Step 6: Final answer
x = 6,389,959.94
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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.