Finding the Fourth Proportional to 40,853,481.37, 56,376,107.93 and 22,268,212.61
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Solution
The fourth proportional to 40,853,481.37, 56,376,107.93 and 22,268,212.61 is: 30,729,208.75
Step by Step Solution
- Step 1: Write the proportion equation
40,853,481.37 : 56,376,107.93 = 22,268,212.61 : x - Step 2: Convert to fraction form
40,853,481.37/56,376,107.93 = 22,268,212.61/x - Step 3: Cross multiply
40,853,481.37x = 56,376,107.93 × 22,268,212.61 - Step 4: Simplify right side
40,853,481.37x = 1,255,395,157,283,337 - Step 5: Solve for x
x = 1,255,395,157,283,337/40,853,481.37 - Step 6: Final answer
x = 30,729,208.75
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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.