Finding the Fourth Proportional to 41,515,955.36, 57,292,016.24 and 22,420,518
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Solution
The fourth proportional to 41,515,955.36, 57,292,016.24 and 22,420,518 is: 30,940,313.68
Step by Step Solution
- Step 1: Write the proportion equation
41,515,955.36 : 57,292,016.24 = 22,420,518 : x - Step 2: Convert to fraction form
41,515,955.36/57,292,016.24 = 22,420,518/x - Step 3: Cross multiply
41,515,955.36x = 57,292,016.24 × 22,420,518 - Step 4: Simplify right side
41,515,955.36x = 1,284,516,681,365,212.25 - Step 5: Solve for x
x = 1,284,516,681,365,212.25/41,515,955.36 - Step 6: Final answer
x = 30,940,313.68
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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.