Finding the Fourth Proportional to 16,321,436.08, 22,523,581.74 and 8,979,111.53
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Solution
The fourth proportional to 16,321,436.08, 22,523,581.74 and 8,979,111.53 is: 12,391,173.89
Step by Step Solution
- Step 1: Write the proportion equation
16,321,436.08 : 22,523,581.74 = 8,979,111.53 : x - Step 2: Convert to fraction form
16,321,436.08/22,523,581.74 = 8,979,111.53/x - Step 3: Cross multiply
16,321,436.08x = 22,523,581.74 × 8,979,111.53 - Step 4: Simplify right side
16,321,436.08x = 202,241,752,504,048.66 - Step 5: Solve for x
x = 202,241,752,504,048.66/16,321,436.08 - Step 6: Final answer
x = 12,391,173.89
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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.