Finding the Fourth Proportional to 22,361,431.80, 33,542,147.70 and 15,283,543.80
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Solution
The fourth proportional to 22,361,431.80, 33,542,147.70 and 15,283,543.80 is: 22,925,315.70
Step by Step Solution
- Step 1: Write the proportion equation
22,361,431.80 : 33,542,147.70 = 15,283,543.80 : x - Step 2: Convert to fraction form
22,361,431.80/33,542,147.70 = 15,283,543.80/x - Step 3: Cross multiply
22,361,431.80x = 33,542,147.70 × 15,283,543.80 - Step 4: Simplify right side
22,361,431.80x = 512,642,883,519,019.25 - Step 5: Solve for x
x = 512,642,883,519,019.25/22,361,431.80 - Step 6: Final answer
x = 22,925,315.70
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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.