Finding the Fourth Proportional to 10,029,748.74, 13,841,450.12 and 5,619,512.42
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Solution
The fourth proportional to 10,029,748.74, 13,841,450.12 and 5,619,512.42 is: 7,755,149.50
Step by Step Solution
- Step 1: Write the proportion equation
10,029,748.74 : 13,841,450.12 = 5,619,512.42 : x - Step 2: Convert to fraction form
10,029,748.74/13,841,450.12 = 5,619,512.42/x - Step 3: Cross multiply
10,029,748.74x = 13,841,450.12 × 5,619,512.42 - Step 4: Simplify right side
10,029,748.74x = 77,782,200,908,802.91 - Step 5: Solve for x
x = 77,782,200,908,802.91/10,029,748.74 - Step 6: Final answer
x = 7,755,149.50
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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.