Finding the Fourth Proportional to 13,537,859.38, 20,304,791.60 and 3,950,663.74
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Solution
The fourth proportional to 13,537,859.38, 20,304,791.60 and 3,950,663.74 is: 5,925,412.70
Step by Step Solution
- Step 1: Write the proportion equation
13,537,859.38 : 20,304,791.60 = 3,950,663.74 : x - Step 2: Convert to fraction form
13,537,859.38/20,304,791.60 = 3,950,663.74/x - Step 3: Cross multiply
13,537,859.38x = 20,304,791.60 × 3,950,663.74 - Step 4: Simplify right side
13,537,859.38x = 80,217,403,851,861.28 - Step 5: Solve for x
x = 80,217,403,851,861.28/13,537,859.38 - Step 6: Final answer
x = 5,925,412.70
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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.