Finding the Fourth Proportional to 14,680,909.26, 20,259,975.69 and 8,065,582.97
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Solution
The fourth proportional to 14,680,909.26, 20,259,975.69 and 8,065,582.97 is: 11,130,680.80
Step by Step Solution
- Step 1: Write the proportion equation
14,680,909.26 : 20,259,975.69 = 8,065,582.97 : x - Step 2: Convert to fraction form
14,680,909.26/20,259,975.69 = 8,065,582.97/x - Step 3: Cross multiply
14,680,909.26x = 20,259,975.69 × 8,065,582.97 - Step 4: Simplify right side
14,680,909.26x = 163,408,514,796,578.12 - Step 5: Solve for x
x = 163,408,514,796,578.12/14,680,909.26 - Step 6: Final answer
x = 11,130,680.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.