Finding the Fourth Proportional to 10,179,905.56, 14,062,544.36 and 9,260,512.64
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Solution
The fourth proportional to 10,179,905.56, 14,062,544.36 and 9,260,512.64 is: 12,792,492.92
Step by Step Solution
- Step 1: Write the proportion equation
10,179,905.56 : 14,062,544.36 = 9,260,512.64 : x - Step 2: Convert to fraction form
10,179,905.56/14,062,544.36 = 9,260,512.64/x - Step 3: Cross multiply
10,179,905.56x = 14,062,544.36 × 9,260,512.64 - Step 4: Simplify right side
10,179,905.56x = 130,226,369,796,340.72 - Step 5: Solve for x
x = 130,226,369,796,340.72/10,179,905.56 - Step 6: Final answer
x = 12,792,492.92
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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.