Finding the Fourth Proportional to 30,394,737.17, 41,944,236.58 and 16,455,980.84
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Solution
The fourth proportional to 30,394,737.17, 41,944,236.58 and 16,455,980.84 is: 22,708,982.46
Step by Step Solution
- Step 1: Write the proportion equation
30,394,737.17 : 41,944,236.58 = 16,455,980.84 : x - Step 2: Convert to fraction form
30,394,737.17/41,944,236.58 = 16,455,980.84/x - Step 3: Cross multiply
30,394,737.17x = 41,944,236.58 × 16,455,980.84 - Step 4: Simplify right side
30,394,737.17x = 690,233,553,319,755.88 - Step 5: Solve for x
x = 690,233,553,319,755.88/30,394,737.17 - Step 6: Final answer
x = 22,708,982.46
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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.