Finding the Fourth Proportional to 38,947,193.09, 53,465,678.26 and 33,430,991.35
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Solution
The fourth proportional to 38,947,193.09, 53,465,678.26 and 33,430,991.35 is: 45,893,182.17
Step by Step Solution
- Step 1: Write the proportion equation
38,947,193.09 : 53,465,678.26 = 33,430,991.35 : x - Step 2: Convert to fraction form
38,947,193.09/53,465,678.26 = 33,430,991.35/x - Step 3: Cross multiply
38,947,193.09x = 53,465,678.26 × 33,430,991.35 - Step 4: Simplify right side
38,947,193.09x = 1,787,410,627,431,943 - Step 5: Solve for x
x = 1,787,410,627,431,943/38,947,193.09 - Step 6: Final answer
x = 45,893,182.17
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.