Finding the Fourth Proportional to 12,645,585.93, 18,968,428.11 and 3,060,949.08
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Solution
The fourth proportional to 12,645,585.93, 18,968,428.11 and 3,060,949.08 is: 4,591,435.54
Step by Step Solution
- Step 1: Write the proportion equation
12,645,585.93 : 18,968,428.11 = 3,060,949.08 : x - Step 2: Convert to fraction form
12,645,585.93/18,968,428.11 = 3,060,949.08/x - Step 3: Cross multiply
12,645,585.93x = 18,968,428.11 × 3,060,949.08 - Step 4: Simplify right side
12,645,585.93x = 58,061,392,637,742.97 - Step 5: Solve for x
x = 58,061,392,637,742.97/12,645,585.93 - Step 6: Final answer
x = 4,591,435.54
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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.