Finding the Fourth Proportional to 16,187,743.44, 22,338,816.12 and 8,845,415.28
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Solution
The fourth proportional to 16,187,743.44, 22,338,816.12 and 8,845,415.28 is: 12,206,525.65
Step by Step Solution
- Step 1: Write the proportion equation
16,187,743.44 : 22,338,816.12 = 8,845,415.28 : x - Step 2: Convert to fraction form
16,187,743.44/22,338,816.12 = 8,845,415.28/x - Step 3: Cross multiply
16,187,743.44x = 22,338,816.12 × 8,845,415.28 - Step 4: Simplify right side
16,187,743.44x = 197,596,105,444,958.31 - Step 5: Solve for x
x = 197,596,105,444,958.31/16,187,743.44 - Step 6: Final answer
x = 12,206,525.65
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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.