Finding the Fourth Proportional to 21,984,129.80, 32,976,194.70 and 16,315,425.80
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Solution
The fourth proportional to 21,984,129.80, 32,976,194.70 and 16,315,425.80 is: 24,473,138.70
Step by Step Solution
- Step 1: Write the proportion equation
21,984,129.80 : 32,976,194.70 = 16,315,425.80 : x - Step 2: Convert to fraction form
21,984,129.80/32,976,194.70 = 16,315,425.80/x - Step 3: Cross multiply
21,984,129.80x = 32,976,194.70 × 16,315,425.80 - Step 4: Simplify right side
21,984,129.80x = 538,020,657,794,203.25 - Step 5: Solve for x
x = 538,020,657,794,203.25/21,984,129.80 - Step 6: Final answer
x = 24,473,138.70
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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.