Finding the Fourth Proportional to 11,667,628.80, 17,459,452.80 and 7,888,492.80
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Solution
The fourth proportional to 11,667,628.80, 17,459,452.80 and 7,888,492.80 is: 11,804,349.46
Step by Step Solution
- Step 1: Write the proportion equation
11,667,628.80 : 17,459,452.80 = 7,888,492.80 : x - Step 2: Convert to fraction form
11,667,628.80/17,459,452.80 = 7,888,492.80/x - Step 3: Cross multiply
11,667,628.80x = 17,459,452.80 × 7,888,492.80 - Step 4: Simplify right side
11,667,628.80x = 137,728,767,704,739.84 - Step 5: Solve for x
x = 137,728,767,704,739.84/11,667,628.80 - Step 6: Final answer
x = 11,804,349.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.