Finding the Fourth Proportional to 8,170,403.91, 11,275,756.79 and 5,847,514.53
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Solution
The fourth proportional to 8,170,403.91, 11,275,756.79 and 5,847,514.53 is: 8,069,999.03
Step by Step Solution
- Step 1: Write the proportion equation
8,170,403.91 : 11,275,756.79 = 5,847,514.53 : x - Step 2: Convert to fraction form
8,170,403.91/11,275,756.79 = 5,847,514.53/x - Step 3: Cross multiply
8,170,403.91x = 11,275,756.79 × 5,847,514.53 - Step 4: Simplify right side
8,170,403.91x = 65,935,151,637,033.59 - Step 5: Solve for x
x = 65,935,151,637,033.59/8,170,403.91 - Step 6: Final answer
x = 8,069,999.03
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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.