Finding the Fourth Proportional to 11,017,204.49, 15,187,718.30 and 7,699,197.53
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Solution
The fourth proportional to 11,017,204.49, 15,187,718.30 and 7,699,197.53 is: 10,613,694.54
Step by Step Solution
- Step 1: Write the proportion equation
11,017,204.49 : 15,187,718.30 = 7,699,197.53 : x - Step 2: Convert to fraction form
11,017,204.49/15,187,718.30 = 7,699,197.53/x - Step 3: Cross multiply
11,017,204.49x = 15,187,718.30 × 7,699,197.53 - Step 4: Simplify right side
11,017,204.49x = 116,933,243,107,261.22 - Step 5: Solve for x
x = 116,933,243,107,261.22/11,017,204.49 - Step 6: Final answer
x = 10,613,694.54
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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.