Finding the Fourth Proportional to 14,641,542.36, 20,206,537.80 and 8,117,218.44
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Solution
The fourth proportional to 14,641,542.36, 20,206,537.80 and 8,117,218.44 is: 11,202,431.90
Step by Step Solution
- Step 1: Write the proportion equation
14,641,542.36 : 20,206,537.80 = 8,117,218.44 : x - Step 2: Convert to fraction form
14,641,542.36/20,206,537.80 = 8,117,218.44/x - Step 3: Cross multiply
14,641,542.36x = 20,206,537.80 × 8,117,218.44 - Step 4: Simplify right side
14,641,542.36x = 164,020,881,238,717.03 - Step 5: Solve for x
x = 164,020,881,238,717.03/14,641,542.36 - Step 6: Final answer
x = 11,202,431.90
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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.