Finding the Fourth Proportional to 11,017,205.99, 15,187,720.37 and 7,699,199.03
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Solution
The fourth proportional to 11,017,205.99, 15,187,720.37 and 7,699,199.03 is: 10,613,696.61
Step by Step Solution
- Step 1: Write the proportion equation
11,017,205.99 : 15,187,720.37 = 7,699,199.03 : x - Step 2: Convert to fraction form
11,017,205.99/15,187,720.37 = 7,699,199.03/x - Step 3: Cross multiply
11,017,205.99x = 15,187,720.37 × 7,699,199.03 - Step 4: Simplify right side
11,017,205.99x = 116,933,281,826,180.66 - Step 5: Solve for x
x = 116,933,281,826,180.66/11,017,205.99 - Step 6: Final answer
x = 10,613,696.61
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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.