Finding the Fourth Proportional to 8,146,408.06, 12,219,611.64 and 2,081,152.99
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Solution
The fourth proportional to 8,146,408.06, 12,219,611.64 and 2,081,152.99 is: 3,121,729.37
Step by Step Solution
- Step 1: Write the proportion equation
8,146,408.06 : 12,219,611.64 = 2,081,152.99 : x - Step 2: Convert to fraction form
8,146,408.06/12,219,611.64 = 2,081,152.99/x - Step 3: Cross multiply
8,146,408.06x = 12,219,611.64 × 2,081,152.99 - Step 4: Simplify right side
8,146,408.06x = 25,430,881,301,224.80 - Step 5: Solve for x
x = 25,430,881,301,224.80/8,146,408.06 - Step 6: Final answer
x = 3,121,729.37
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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.