Finding the Fourth Proportional to 16,138,995.20, 22,273,147.80 and 9,264,806
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Solution
The fourth proportional to 16,138,995.20, 22,273,147.80 and 9,264,806 is: 12,786,198.32
Step by Step Solution
- Step 1: Write the proportion equation
16,138,995.20 : 22,273,147.80 = 9,264,806 : x - Step 2: Convert to fraction form
16,138,995.20/22,273,147.80 = 9,264,806/x - Step 3: Cross multiply
16,138,995.20x = 22,273,147.80 × 9,264,806 - Step 4: Simplify right side
16,138,995.20x = 206,356,393,376,326.81 - Step 5: Solve for x
x = 206,356,393,376,326.81/16,138,995.20 - Step 6: Final answer
x = 12,786,198.32
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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.