Finding the Fourth Proportional to 13,295,198.00, 18,348,783.80 and 7,793,195.82
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Solution
The fourth proportional to 13,295,198.00, 18,348,783.80 and 7,793,195.82 is: 10,755,437.06
Step by Step Solution
- Step 1: Write the proportion equation
13,295,198.00 : 18,348,783.80 = 7,793,195.82 : x - Step 2: Convert to fraction form
13,295,198.00/18,348,783.80 = 7,793,195.82/x - Step 3: Cross multiply
13,295,198.00x = 18,348,783.80 × 7,793,195.82 - Step 4: Simplify right side
13,295,198.00x = 142,995,665,173,277.75 - Step 5: Solve for x
x = 142,995,665,173,277.75/13,295,198.00 - Step 6: Final answer
x = 10,755,437.06
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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.