Finding the Fourth Proportional to 12,119,094.45, 16,726,839.39 and 7,410,294.99
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Solution
The fourth proportional to 12,119,094.45, 16,726,839.39 and 7,410,294.99 is: 10,227,729.03
Step by Step Solution
- Step 1: Write the proportion equation
12,119,094.45 : 16,726,839.39 = 7,410,294.99 : x - Step 2: Convert to fraction form
12,119,094.45/16,726,839.39 = 7,410,294.99/x - Step 3: Cross multiply
12,119,094.45x = 16,726,839.39 × 7,410,294.99 - Step 4: Simplify right side
12,119,094.45x = 123,950,814,130,251.67 - Step 5: Solve for x
x = 123,950,814,130,251.67/12,119,094.45 - Step 6: Final answer
x = 10,227,729.03
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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.