Finding the Fourth Proportional to 20,084,518.36, 30,126,515.10 and 4,938,581.08
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Solution
The fourth proportional to 20,084,518.36, 30,126,515.10 and 4,938,581.08 is: 7,407,807.09
Step by Step Solution
- Step 1: Write the proportion equation
20,084,518.36 : 30,126,515.10 = 4,938,581.08 : x - Step 2: Convert to fraction form
20,084,518.36/30,126,515.10 = 4,938,581.08/x - Step 3: Cross multiply
20,084,518.36x = 30,126,515.10 × 4,938,581.08 - Step 4: Simplify right side
20,084,518.36x = 148,782,237,479,194.31 - Step 5: Solve for x
x = 148,782,237,479,194.31/20,084,518.36 - Step 6: Final answer
x = 7,407,807.09
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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.