Finding the Fourth Proportional to 14,969,224.15, 20,657,409.01 and 8,690,334.09
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Solution
The fourth proportional to 14,969,224.15, 20,657,409.01 and 8,690,334.09 is: 11,992,591.19
Step by Step Solution
- Step 1: Write the proportion equation
14,969,224.15 : 20,657,409.01 = 8,690,334.09 : x - Step 2: Convert to fraction form
14,969,224.15/20,657,409.01 = 8,690,334.09/x - Step 3: Cross multiply
14,969,224.15x = 20,657,409.01 × 8,690,334.09 - Step 4: Simplify right side
14,969,224.15x = 179,519,785,747,682.97 - Step 5: Solve for x
x = 179,519,785,747,682.97/14,969,224.15 - Step 6: Final answer
x = 11,992,591.19
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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.