Finding the Fourth Proportional to 40,738,039.26, 56,217,372.63 and 22,403,324.70
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Solution
The fourth proportional to 40,738,039.26, 56,217,372.63 and 22,403,324.70 is: 30,915,971.31
Step by Step Solution
- Step 1: Write the proportion equation
40,738,039.26 : 56,217,372.63 = 22,403,324.70 : x - Step 2: Convert to fraction form
40,738,039.26/56,217,372.63 = 22,403,324.70/x - Step 3: Cross multiply
40,738,039.26x = 56,217,372.63 × 22,403,324.70 - Step 4: Simplify right side
40,738,039.26x = 1,259,456,052,810,783 - Step 5: Solve for x
x = 1,259,456,052,810,783/40,738,039.26 - Step 6: Final answer
x = 30,915,971.31
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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.