Finding the Fourth Proportional to 22,579,682.31, 31,102,984.26 and 18,216,551.70
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Solution
The fourth proportional to 22,579,682.31, 31,102,984.26 and 18,216,551.70 is: 25,092,873.90
Step by Step Solution
- Step 1: Write the proportion equation
22,579,682.31 : 31,102,984.26 = 18,216,551.70 : x - Step 2: Convert to fraction form
22,579,682.31/31,102,984.26 = 18,216,551.70/x - Step 3: Cross multiply
22,579,682.31x = 31,102,984.26 × 18,216,551.70 - Step 4: Simplify right side
22,579,682.31x = 566,589,120,796,576.25 - Step 5: Solve for x
x = 566,589,120,796,576.25/22,579,682.31 - Step 6: Final answer
x = 25,092,873.90
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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.