Finding the Fourth Proportional to 38,947,192.09, 53,465,676.89 and 33,430,990.35
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Solution
The fourth proportional to 38,947,192.09, 53,465,676.89 and 33,430,990.35 is: 45,893,180.80
Step by Step Solution
- Step 1: Write the proportion equation
38,947,192.09 : 53,465,676.89 = 33,430,990.35 : x - Step 2: Convert to fraction form
38,947,192.09/53,465,676.89 = 33,430,990.35/x - Step 3: Cross multiply
38,947,192.09x = 53,465,676.89 × 33,430,990.35 - Step 4: Simplify right side
38,947,192.09x = 1,787,410,528,165,808 - Step 5: Solve for x
x = 1,787,410,528,165,808/38,947,192.09 - Step 6: Final answer
x = 45,893,180.80
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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.