Finding the Fourth Proportional to 7,990,387.48, 11,024,033.82 and 4,550,189.08
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Solution
The fourth proportional to 7,990,387.48, 11,024,033.82 and 4,550,189.08 is: 6,277,722.88
Step by Step Solution
- Step 1: Write the proportion equation
7,990,387.48 : 11,024,033.82 = 4,550,189.08 : x - Step 2: Convert to fraction form
7,990,387.48/11,024,033.82 = 4,550,189.08/x - Step 3: Cross multiply
7,990,387.48x = 11,024,033.82 × 4,550,189.08 - Step 4: Simplify right side
7,990,387.48x = 50,161,438,305,314.69 - Step 5: Solve for x
x = 50,161,438,305,314.69/7,990,387.48 - Step 6: Final answer
x = 6,277,722.88
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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.