Finding the Fourth Proportional to 20,084,517.36, 30,126,513.60 and 4,938,580.08
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Solution
The fourth proportional to 20,084,517.36, 30,126,513.60 and 4,938,580.08 is: 7,407,805.59
Step by Step Solution
- Step 1: Write the proportion equation
20,084,517.36 : 30,126,513.60 = 4,938,580.08 : x - Step 2: Convert to fraction form
20,084,517.36/30,126,513.60 = 4,938,580.08/x - Step 3: Cross multiply
20,084,517.36x = 30,126,513.60 × 4,938,580.08 - Step 4: Simplify right side
20,084,517.36x = 148,782,199,944,809.09 - Step 5: Solve for x
x = 148,782,199,944,809.09/20,084,517.36 - Step 6: Final answer
x = 7,407,805.59
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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.