Finding the Fourth Proportional to 19,419,984.37, 26,799,446.49 and 10,718,156.80
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Solution
The fourth proportional to 19,419,984.37, 26,799,446.49 and 10,718,156.80 is: 14,790,983.56
Step by Step Solution
- Step 1: Write the proportion equation
19,419,984.37 : 26,799,446.49 = 10,718,156.80 : x - Step 2: Convert to fraction form
19,419,984.37/26,799,446.49 = 10,718,156.80/x - Step 3: Cross multiply
19,419,984.37x = 26,799,446.49 × 10,718,156.80 - Step 4: Simplify right side
19,419,984.37x = 287,240,669,633,029.62 - Step 5: Solve for x
x = 287,240,669,633,029.62/19,419,984.37 - Step 6: Final answer
x = 14,790,983.56
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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.