Finding the Fourth Proportional to 8,407,630.70, 11,590,387.36 and 5,988,983.66
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Solution
The fourth proportional to 8,407,630.70, 11,590,387.36 and 5,988,983.66 is: 8,256,147.65
Step by Step Solution
- Step 1: Write the proportion equation
8,407,630.70 : 11,590,387.36 = 5,988,983.66 : x - Step 2: Convert to fraction form
8,407,630.70/11,590,387.36 = 5,988,983.66/x - Step 3: Cross multiply
8,407,630.70x = 11,590,387.36 × 5,988,983.66 - Step 4: Simplify right side
8,407,630.70x = 69,414,640,439,186.14 - Step 5: Solve for x
x = 69,414,640,439,186.14/8,407,630.70 - Step 6: Final answer
x = 8,256,147.65
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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.