Finding the Fourth Proportional to 8,181,790.75, 11,291,042.11 and 4,510,862.04
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Solution
The fourth proportional to 8,181,790.75, 11,291,042.11 and 4,510,862.04 is: 6,225,083.82
Step by Step Solution
- Step 1: Write the proportion equation
8,181,790.75 : 11,291,042.11 = 4,510,862.04 : x - Step 2: Convert to fraction form
8,181,790.75/11,291,042.11 = 4,510,862.04/x - Step 3: Cross multiply
8,181,790.75x = 11,291,042.11 × 4,510,862.04 - Step 4: Simplify right side
8,181,790.75x = 50,932,333,246,040.50 - Step 5: Solve for x
x = 50,932,333,246,040.50/8,181,790.75 - Step 6: Final answer
x = 6,225,083.82
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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.