Finding the Fourth Proportional to 31,946,457.13, 47,902,636.96 and 16,578,273.26
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Solution
The fourth proportional to 31,946,457.13, 47,902,636.96 and 16,578,273.26 is: 24,858,562.63
Step by Step Solution
- Step 1: Write the proportion equation
31,946,457.13 : 47,902,636.96 = 16,578,273.26 : x - Step 2: Convert to fraction form
31,946,457.13/47,902,636.96 = 16,578,273.26/x - Step 3: Cross multiply
31,946,457.13x = 47,902,636.96 × 16,578,273.26 - Step 4: Simplify right side
31,946,457.13x = 794,143,005,397,455.75 - Step 5: Solve for x
x = 794,143,005,397,455.75/31,946,457.13 - Step 6: Final answer
x = 24,858,562.63
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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.