Finding the Fourth Proportional to 11,958,816.12, 16,503,161.46 and 6,526,308.12
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Solution
The fourth proportional to 11,958,816.12, 16,503,161.46 and 6,526,308.12 is: 9,006,302.59
Step by Step Solution
- Step 1: Write the proportion equation
11,958,816.12 : 16,503,161.46 = 6,526,308.12 : x - Step 2: Convert to fraction form
11,958,816.12/16,503,161.46 = 6,526,308.12/x - Step 3: Cross multiply
11,958,816.12x = 16,503,161.46 × 6,526,308.12 - Step 4: Simplify right side
11,958,816.12x = 107,704,716,642,069.06 - Step 5: Solve for x
x = 107,704,716,642,069.06/11,958,816.12 - Step 6: Final answer
x = 9,006,302.59
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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.