Finding the Fourth Proportional to 21,693,620.44, 29,937,113.36 and 11,904,228.28
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Solution
The fourth proportional to 21,693,620.44, 29,937,113.36 and 11,904,228.28 is: 16,427,789.56
Step by Step Solution
- Step 1: Write the proportion equation
21,693,620.44 : 29,937,113.36 = 11,904,228.28 : x - Step 2: Convert to fraction form
21,693,620.44/29,937,113.36 = 11,904,228.28/x - Step 3: Cross multiply
21,693,620.44x = 29,937,113.36 × 11,904,228.28 - Step 4: Simplify right side
21,693,620.44x = 356,378,231,481,677.81 - Step 5: Solve for x
x = 356,378,231,481,677.81/21,693,620.44 - Step 6: Final answer
x = 16,427,789.56
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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.