Finding the Fourth Proportional to 35,479,564.92, 48,958,866.99 and 20,013,450.84
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Solution
The fourth proportional to 35,479,564.92, 48,958,866.99 and 20,013,450.84 is: 27,616,907.93
Step by Step Solution
- Step 1: Write the proportion equation
35,479,564.92 : 48,958,866.99 = 20,013,450.84 : x - Step 2: Convert to fraction form
35,479,564.92/48,958,866.99 = 20,013,450.84/x - Step 3: Cross multiply
35,479,564.92x = 48,958,866.99 × 20,013,450.84 - Step 4: Simplify right side
35,479,564.92x = 979,835,877,686,463.75 - Step 5: Solve for x
x = 979,835,877,686,463.75/35,479,564.92 - Step 6: Final answer
x = 27,616,907.93
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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.