Finding the Fourth Proportional to 14,396,452.99, 19,761,354.10 and 12,728,318.74
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Solution
The fourth proportional to 14,396,452.99, 19,761,354.10 and 12,728,318.74 is: 17,471,582.33
Step by Step Solution
- Step 1: Write the proportion equation
14,396,452.99 : 19,761,354.10 = 12,728,318.74 : x - Step 2: Convert to fraction form
14,396,452.99/19,761,354.10 = 12,728,318.74/x - Step 3: Cross multiply
14,396,452.99x = 19,761,354.10 × 12,728,318.74 - Step 4: Simplify right side
14,396,452.99x = 251,528,813,718,805.84 - Step 5: Solve for x
x = 251,528,813,718,805.84/14,396,452.99 - Step 6: Final answer
x = 17,471,582.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.