Finding the Fourth Proportional to 19,474,371.92, 29,214,214.96 and 8,112,163.34
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Solution
The fourth proportional to 19,474,371.92, 29,214,214.96 and 8,112,163.34 is: 12,169,351.83
Step by Step Solution
- Step 1: Write the proportion equation
19,474,371.92 : 29,214,214.96 = 8,112,163.34 : x - Step 2: Convert to fraction form
19,474,371.92/29,214,214.96 = 8,112,163.34/x - Step 3: Cross multiply
19,474,371.92x = 29,214,214.96 × 8,112,163.34 - Step 4: Simplify right side
19,474,371.92x = 236,990,483,605,391.56 - Step 5: Solve for x
x = 236,990,483,605,391.56/19,474,371.92 - Step 6: Final answer
x = 12,169,351.83
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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.