Finding the Fourth Proportional to 21,348,163.17, 29,460,340.44 and 11,558,401.92
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Solution
The fourth proportional to 21,348,163.17, 29,460,340.44 and 11,558,401.92 is: 15,950,527.12
Step by Step Solution
- Step 1: Write the proportion equation
21,348,163.17 : 29,460,340.44 = 11,558,401.92 : x - Step 2: Convert to fraction form
21,348,163.17/29,460,340.44 = 11,558,401.92/x - Step 3: Cross multiply
21,348,163.17x = 29,460,340.44 × 11,558,401.92 - Step 4: Simplify right side
21,348,163.17x = 340,514,455,505,549.69 - Step 5: Solve for x
x = 340,514,455,505,549.69/21,348,163.17 - Step 6: Final answer
x = 15,950,527.12
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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.