Finding the Fourth Proportional to 8,612,396.68, 11,886,828.60 and 4,943,793.28
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Solution
The fourth proportional to 8,612,396.68, 11,886,828.60 and 4,943,793.28 is: 6,823,422.74
Step by Step Solution
- Step 1: Write the proportion equation
8,612,396.68 : 11,886,828.60 = 4,943,793.28 : x - Step 2: Convert to fraction form
8,612,396.68/11,886,828.60 = 4,943,793.28/x - Step 3: Cross multiply
8,612,396.68x = 11,886,828.60 × 4,943,793.28 - Step 4: Simplify right side
8,612,396.68x = 58,766,023,353,191.81 - Step 5: Solve for x
x = 58,766,023,353,191.81/8,612,396.68 - Step 6: Final answer
x = 6,823,422.74
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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.