Finding the Fourth Proportional to 16,102,733.87, 22,221,869.38 and 8,760,619.68
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Solution
The fourth proportional to 16,102,733.87, 22,221,869.38 and 8,760,619.68 is: 12,089,707.73
Step by Step Solution
- Step 1: Write the proportion equation
16,102,733.87 : 22,221,869.38 = 8,760,619.68 : x - Step 2: Convert to fraction form
16,102,733.87/22,221,869.38 = 8,760,619.68/x - Step 3: Cross multiply
16,102,733.87x = 22,221,869.38 × 8,760,619.68 - Step 4: Simplify right side
16,102,733.87x = 194,677,346,216,817.38 - Step 5: Solve for x
x = 194,677,346,216,817.38/16,102,733.87 - Step 6: Final answer
x = 12,089,707.73
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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.