Finding the Fourth Proportional to 11,479,206.40, 15,841,604.97 and 6,252,412.78
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Solution
The fourth proportional to 11,479,206.40, 15,841,604.97 and 6,252,412.78 is: 8,628,493.12
Step by Step Solution
- Step 1: Write the proportion equation
11,479,206.40 : 15,841,604.97 = 6,252,412.78 : x - Step 2: Convert to fraction form
11,479,206.40/15,841,604.97 = 6,252,412.78/x - Step 3: Cross multiply
11,479,206.40x = 15,841,604.97 × 6,252,412.78 - Step 4: Simplify right side
11,479,206.40x = 99,048,253,389,941.53 - Step 5: Solve for x
x = 99,048,253,389,941.53/11,479,206.40 - Step 6: Final answer
x = 8,628,493.12
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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.