Finding the Fourth Proportional to 18,156,163.80, 27,249,117.30 and 18,014,446.20
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Solution
The fourth proportional to 18,156,163.80, 27,249,117.30 and 18,014,446.20 is: 27,036,424.82
Step by Step Solution
- Step 1: Write the proportion equation
18,156,163.80 : 27,249,117.30 = 18,014,446.20 : x - Step 2: Convert to fraction form
18,156,163.80/27,249,117.30 = 18,014,446.20/x - Step 3: Cross multiply
18,156,163.80x = 27,249,117.30 × 18,014,446.20 - Step 4: Simplify right side
18,156,163.80x = 490,877,757,598,339.25 - Step 5: Solve for x
x = 490,877,757,598,339.25/18,156,163.80 - Step 6: Final answer
x = 27,036,424.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.