Finding the Fourth Proportional to 47,977,122.10, 71,965,893.96 and 15,187,852.09
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Solution
The fourth proportional to 47,977,122.10, 71,965,893.96 and 15,187,852.09 is: 22,781,844.87
Step by Step Solution
- Step 1: Write the proportion equation
47,977,122.10 : 71,965,893.96 = 15,187,852.09 : x - Step 2: Convert to fraction form
47,977,122.10/71,965,893.96 = 15,187,852.09/x - Step 3: Cross multiply
47,977,122.10x = 71,965,893.96 × 15,187,852.09 - Step 4: Simplify right side
47,977,122.10x = 1,093,007,352,989,104.25 - Step 5: Solve for x
x = 1,093,007,352,989,104.25/47,977,122.10 - Step 6: Final answer
x = 22,781,844.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.