Finding the Fourth Proportional to 16,040,623.14, 22,137,459.84 and 8,798,678.82
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Solution
The fourth proportional to 16,040,623.14, 22,137,459.84 and 8,798,678.82 is: 12,142,944.66
Step by Step Solution
- Step 1: Write the proportion equation
16,040,623.14 : 22,137,459.84 = 8,798,678.82 : x - Step 2: Convert to fraction form
16,040,623.14/22,137,459.84 = 8,798,678.82/x - Step 3: Cross multiply
16,040,623.14x = 22,137,459.84 × 8,798,678.82 - Step 4: Simplify right side
16,040,623.14x = 194,780,399,022,808.59 - Step 5: Solve for x
x = 194,780,399,022,808.59/16,040,623.14 - Step 6: Final answer
x = 12,142,944.66
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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.