Finding the Fourth Proportional to 22,502,561.26, 31,053,683.60 and 12,189,284.26
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Solution
The fourth proportional to 22,502,561.26, 31,053,683.60 and 12,189,284.26 is: 16,821,293.02
Step by Step Solution
- Step 1: Write the proportion equation
22,502,561.26 : 31,053,683.60 = 12,189,284.26 : x - Step 2: Convert to fraction form
22,502,561.26/31,053,683.60 = 12,189,284.26/x - Step 3: Cross multiply
22,502,561.26x = 31,053,683.60 × 12,189,284.26 - Step 4: Simplify right side
22,502,561.26x = 378,522,176,720,500.12 - Step 5: Solve for x
x = 378,522,176,720,500.12/22,502,561.26 - Step 6: Final answer
x = 16,821,293.02
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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.