Finding the Fourth Proportional to 11,445,195.11, 15,794,365.57 and 6,288,888.80
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Solution
The fourth proportional to 11,445,195.11, 15,794,365.57 and 6,288,888.80 is: 8,678,664.53
Step by Step Solution
- Step 1: Write the proportion equation
11,445,195.11 : 15,794,365.57 = 6,288,888.80 : x - Step 2: Convert to fraction form
11,445,195.11/15,794,365.57 = 6,288,888.80/x - Step 3: Cross multiply
11,445,195.11x = 15,794,365.57 × 6,288,888.80 - Step 4: Simplify right side
11,445,195.11x = 99,329,008,760,042.31 - Step 5: Solve for x
x = 99,329,008,760,042.31/11,445,195.11 - Step 6: Final answer
x = 8,678,664.53
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1.5x scale
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.