Finding the Fourth Proportional to 12,227,838.92, 18,341,746.48 and 3,129,921.96
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Solution
The fourth proportional to 12,227,838.92, 18,341,746.48 and 3,129,921.96 is: 4,694,879.89
Step by Step Solution
- Step 1: Write the proportion equation
12,227,838.92 : 18,341,746.48 = 3,129,921.96 : x - Step 2: Convert to fraction form
12,227,838.92/18,341,746.48 = 3,129,921.96/x - Step 3: Cross multiply
12,227,838.92x = 18,341,746.48 × 3,129,921.96 - Step 4: Simplify right side
12,227,838.92x = 57,408,235,092,504.70 - Step 5: Solve for x
x = 57,408,235,092,504.70/12,227,838.92 - Step 6: Final answer
x = 4,694,879.89
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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.