Finding the Fourth Proportional to 19,696,383.12, 27,120,838.65 and 17,848,821.24
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Solution
The fourth proportional to 19,696,383.12, 27,120,838.65 and 17,848,821.24 is: 24,576,847.33
Step by Step Solution
- Step 1: Write the proportion equation
19,696,383.12 : 27,120,838.65 = 17,848,821.24 : x - Step 2: Convert to fraction form
19,696,383.12/27,120,838.65 = 17,848,821.24/x - Step 3: Cross multiply
19,696,383.12x = 27,120,838.65 × 17,848,821.24 - Step 4: Simplify right side
19,696,383.12x = 484,075,000,942,732.88 - Step 5: Solve for x
x = 484,075,000,942,732.88/19,696,383.12 - Step 6: Final answer
x = 24,576,847.33
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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.