Finding the Fourth Proportional to 12,057,229.64, 16,634,861.74 and 7,471,877.96
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Solution
The fourth proportional to 12,057,229.64, 16,634,861.74 and 7,471,877.96 is: 10,308,641.41
Step by Step Solution
- Step 1: Write the proportion equation
12,057,229.64 : 16,634,861.74 = 7,471,877.96 : x - Step 2: Convert to fraction form
12,057,229.64/16,634,861.74 = 7,471,877.96/x - Step 3: Cross multiply
12,057,229.64x = 16,634,861.74 × 7,471,877.96 - Step 4: Simplify right side
12,057,229.64x = 124,293,656,802,753.25 - Step 5: Solve for x
x = 124,293,656,802,753.25/12,057,229.64 - Step 6: Final answer
x = 10,308,641.41
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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.