Finding the Fourth Proportional to 8,316,743.26, 11,477,201.43 and 4,879,042.78
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Solution
The fourth proportional to 8,316,743.26, 11,477,201.43 and 4,879,042.78 is: 6,733,135.20
Step by Step Solution
- Step 1: Write the proportion equation
8,316,743.26 : 11,477,201.43 = 4,879,042.78 : x - Step 2: Convert to fraction form
8,316,743.26/11,477,201.43 = 4,879,042.78/x - Step 3: Cross multiply
8,316,743.26x = 11,477,201.43 × 4,879,042.78 - Step 4: Simplify right side
8,316,743.26x = 55,997,756,771,647.18 - Step 5: Solve for x
x = 55,997,756,771,647.18/8,316,743.26 - Step 6: Final answer
x = 6,733,135.20
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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.