Finding the Fourth Proportional to 35,877,026.99, 49,511,907.09 and 20,201,442.05
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Solution
The fourth proportional to 35,877,026.99, 49,511,907.09 and 20,201,442.05 is: 27,878,896.49
Step by Step Solution
- Step 1: Write the proportion equation
35,877,026.99 : 49,511,907.09 = 20,201,442.05 : x - Step 2: Convert to fraction form
35,877,026.99/49,511,907.09 = 20,201,442.05/x - Step 3: Cross multiply
35,877,026.99x = 49,511,907.09 × 20,201,442.05 - Step 4: Simplify right side
35,877,026.99x = 1,000,211,921,616,059.75 - Step 5: Solve for x
x = 1,000,211,921,616,059.75/35,877,026.99 - Step 6: Final answer
x = 27,878,896.49
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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.