Finding the Fourth Proportional to 11,369,670.80, 15,690,350.92 and 6,213,249.68
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Solution
The fourth proportional to 11,369,670.80, 15,690,350.92 and 6,213,249.68 is: 8,574,396.70
Step by Step Solution
- Step 1: Write the proportion equation
11,369,670.80 : 15,690,350.92 = 6,213,249.68 : x - Step 2: Convert to fraction form
11,369,670.80/15,690,350.92 = 6,213,249.68/x - Step 3: Cross multiply
11,369,670.80x = 15,690,350.92 × 6,213,249.68 - Step 4: Simplify right side
11,369,670.80x = 97,488,067,832,777.70 - Step 5: Solve for x
x = 97,488,067,832,777.70/11,369,670.80 - Step 6: Final answer
x = 8,574,396.70
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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.