Finding the Fourth Proportional to 32,285,549.18, 44,528,863.92 and 20,684,192.16
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Solution
The fourth proportional to 32,285,549.18, 44,528,863.92 and 20,684,192.16 is: 28,528,044.32
Step by Step Solution
- Step 1: Write the proportion equation
32,285,549.18 : 44,528,863.92 = 20,684,192.16 : x - Step 2: Convert to fraction form
32,285,549.18/44,528,863.92 = 20,684,192.16/x - Step 3: Cross multiply
32,285,549.18x = 44,528,863.92 × 20,684,192.16 - Step 4: Simplify right side
32,285,549.18x = 921,043,577,987,770.88 - Step 5: Solve for x
x = 921,043,577,987,770.88/32,285,549.18 - Step 6: Final answer
x = 28,528,044.32
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1.5x scale
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.