Finding the Fourth Proportional to 28,901,056.23, 39,844,874.34 and 22,960,174.68
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Solution
The fourth proportional to 28,901,056.23, 39,844,874.34 and 22,960,174.68 is: 31,654,388.95
Step by Step Solution
- Step 1: Write the proportion equation
28,901,056.23 : 39,844,874.34 = 22,960,174.68 : x - Step 2: Convert to fraction form
28,901,056.23/39,844,874.34 = 22,960,174.68/x - Step 3: Cross multiply
28,901,056.23x = 39,844,874.34 × 22,960,174.68 - Step 4: Simplify right side
28,901,056.23x = 914,845,274,949,049.75 - Step 5: Solve for x
x = 914,845,274,949,049.75/28,901,056.23 - Step 6: Final answer
x = 31,654,388.95
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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.