Finding the Fourth Proportional to 11,766,550.36, 17,649,871.62 and 7,776,575.32
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Solution
The fourth proportional to 11,766,550.36, 17,649,871.62 and 7,776,575.32 is: 11,664,893.43
Step by Step Solution
- Step 1: Write the proportion equation
11,766,550.36 : 17,649,871.62 = 7,776,575.32 : x - Step 2: Convert to fraction form
11,766,550.36/17,649,871.62 = 7,776,575.32/x - Step 3: Cross multiply
11,766,550.36x = 17,649,871.62 × 7,776,575.32 - Step 4: Simplify right side
11,766,550.36x = 137,255,556,041,260.44 - Step 5: Solve for x
x = 137,255,556,041,260.44/11,766,550.36 - Step 6: Final answer
x = 11,664,893.43
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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.