Finding the Fourth Proportional to 22,385,033.80, 33,577,550.70 and 21,887,369.80
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Solution
The fourth proportional to 22,385,033.80, 33,577,550.70 and 21,887,369.80 is: 32,831,054.70
Step by Step Solution
- Step 1: Write the proportion equation
22,385,033.80 : 33,577,550.70 = 21,887,369.80 : x - Step 2: Convert to fraction form
22,385,033.80/33,577,550.70 = 21,887,369.80/x - Step 3: Cross multiply
22,385,033.80x = 33,577,550.70 × 21,887,369.80 - Step 4: Simplify right side
22,385,033.80x = 734,924,269,149,149 - Step 5: Solve for x
x = 734,924,269,149,149/22,385,033.80 - Step 6: Final answer
x = 32,831,054.70
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1.5x scale
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.