Finding the Fourth Proportional to 8,862,903, 12,230,781.97 and 4,942,663.38
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Solution
The fourth proportional to 8,862,903, 12,230,781.97 and 4,942,663.38 is: 6,820,861.99
Step by Step Solution
- Step 1: Write the proportion equation
8,862,903 : 12,230,781.97 = 4,942,663.38 : x - Step 2: Convert to fraction form
8,862,903/12,230,781.97 = 4,942,663.38/x - Step 3: Cross multiply
8,862,903x = 12,230,781.97 × 4,942,663.38 - Step 4: Simplify right side
8,862,903x = 60,452,638,151,883.26 - Step 5: Solve for x
x = 60,452,638,151,883.26/8,862,903 - Step 6: Final answer
x = 6,820,861.99
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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.