Finding the Fourth Proportional to 27,419,731.10, 37,775,633.97 and 19,146,689.41
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Solution
The fourth proportional to 27,419,731.10, 37,775,633.97 and 19,146,689.41 is: 26,378,024.22
Step by Step Solution
- Step 1: Write the proportion equation
27,419,731.10 : 37,775,633.97 = 19,146,689.41 : x - Step 2: Convert to fraction form
27,419,731.10/37,775,633.97 = 19,146,689.41/x - Step 3: Cross multiply
27,419,731.10x = 37,775,633.97 × 19,146,689.41 - Step 4: Simplify right side
27,419,731.10x = 723,278,331,049,155.38 - Step 5: Solve for x
x = 723,278,331,049,155.38/27,419,731.10 - Step 6: Final answer
x = 26,378,024.22
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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.