Finding the Fourth Proportional to 13,326,651.98, 19,991,197.91 and 3,741,965.92
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Solution
The fourth proportional to 13,326,651.98, 19,991,197.91 and 3,741,965.92 is: 5,613,291.42
Step by Step Solution
- Step 1: Write the proportion equation
13,326,651.98 : 19,991,197.91 = 3,741,965.92 : x - Step 2: Convert to fraction form
13,326,651.98/19,991,197.91 = 3,741,965.92/x - Step 3: Cross multiply
13,326,651.98x = 19,991,197.91 × 3,741,965.92 - Step 4: Simplify right side
13,326,651.98x = 74,806,381,279,195.22 - Step 5: Solve for x
x = 74,806,381,279,195.22/13,326,651.98 - Step 6: Final answer
x = 5,613,291.42
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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.