Finding the Fourth Proportional to 11,570,944.12, 15,968,058.32 and 6,343,939.62
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Solution
The fourth proportional to 11,570,944.12, 15,968,058.32 and 6,343,939.62 is: 8,754,721.90
Step by Step Solution
- Step 1: Write the proportion equation
11,570,944.12 : 15,968,058.32 = 6,343,939.62 : x - Step 2: Convert to fraction form
11,570,944.12/15,968,058.32 = 6,343,939.62/x - Step 3: Cross multiply
11,570,944.12x = 15,968,058.32 × 6,343,939.62 - Step 4: Simplify right side
11,570,944.12x = 101,300,397,858,879.16 - Step 5: Solve for x
x = 101,300,397,858,879.16/11,570,944.12 - Step 6: Final answer
x = 8,754,721.90
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1.5x scale
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.