Finding the Fourth Proportional to 18,629,731.08, 27,942,995.72 and 11,341,299.11
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Solution
The fourth proportional to 18,629,731.08, 27,942,995.72 and 11,341,299.11 is: 17,010,974.07
Step by Step Solution
- Step 1: Write the proportion equation
18,629,731.08 : 27,942,995.72 = 11,341,299.11 : x - Step 2: Convert to fraction form
18,629,731.08/27,942,995.72 = 11,341,299.11/x - Step 3: Cross multiply
18,629,731.08x = 27,942,995.72 × 11,341,299.11 - Step 4: Simplify right side
18,629,731.08x = 316,909,872,378,608.06 - Step 5: Solve for x
x = 316,909,872,378,608.06/18,629,731.08 - Step 6: Final answer
x = 17,010,974.07
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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.