Finding the Fourth Proportional to 15,545,906.26, 21,453,230.76 and 8,576,877.49
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Solution
The fourth proportional to 15,545,906.26, 21,453,230.76 and 8,576,877.49 is: 11,836,024.80
Step by Step Solution
- Step 1: Write the proportion equation
15,545,906.26 : 21,453,230.76 = 8,576,877.49 : x - Step 2: Convert to fraction form
15,545,906.26/21,453,230.76 = 8,576,877.49/x - Step 3: Cross multiply
15,545,906.26x = 21,453,230.76 × 8,576,877.49 - Step 4: Simplify right side
15,545,906.26x = 184,001,731,993,219.62 - Step 5: Solve for x
x = 184,001,731,993,219.62/15,545,906.26 - Step 6: Final answer
x = 11,836,024.80
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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.