Finding the Fourth Proportional to 16,412,367.29, 22,649,587.80 and 8,969,866.07
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Solution
The fourth proportional to 16,412,367.29, 22,649,587.80 and 8,969,866.07 is: 12,378,699.89
Step by Step Solution
- Step 1: Write the proportion equation
16,412,367.29 : 22,649,587.80 = 8,969,866.07 : x - Step 2: Convert to fraction form
16,412,367.29/22,649,587.80 = 8,969,866.07/x - Step 3: Cross multiply
16,412,367.29x = 22,649,587.80 × 8,969,866.07 - Step 4: Simplify right side
16,412,367.29x = 203,163,769,245,850.59 - Step 5: Solve for x
x = 203,163,769,245,850.59/16,412,367.29 - Step 6: Final answer
x = 12,378,699.89
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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.