Finding the Fourth Proportional to 25,503,819.75, 38,258,026.92 and 8,232,430.05
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Solution
The fourth proportional to 25,503,819.75, 38,258,026.92 and 8,232,430.05 is: 12,349,386.62
Step by Step Solution
- Step 1: Write the proportion equation
25,503,819.75 : 38,258,026.92 = 8,232,430.05 : x - Step 2: Convert to fraction form
25,503,819.75/38,258,026.92 = 8,232,430.05/x - Step 3: Cross multiply
25,503,819.75x = 38,258,026.92 × 8,232,430.05 - Step 4: Simplify right side
25,503,819.75x = 314,956,530,469,916.94 - Step 5: Solve for x
x = 314,956,530,469,916.94/25,503,819.75 - Step 6: Final answer
x = 12,349,386.62
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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.