Finding the Fourth Proportional to 38,902,563.99, 58,363,925.02 and 20,691,769.77
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Solution
The fourth proportional to 38,902,563.99, 58,363,925.02 and 20,691,769.77 is: 31,043,015.56
Step by Step Solution
- Step 1: Write the proportion equation
38,902,563.99 : 58,363,925.02 = 20,691,769.77 : x - Step 2: Convert to fraction form
38,902,563.99/58,363,925.02 = 20,691,769.77/x - Step 3: Cross multiply
38,902,563.99x = 58,363,925.02 × 20,691,769.77 - Step 4: Simplify right side
38,902,563.99x = 1,207,652,899,335,653.25 - Step 5: Solve for x
x = 1,207,652,899,335,653.25/38,902,563.99 - Step 6: Final answer
x = 31,043,015.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.