Finding the Fourth Proportional to 11,141,369.87, 15,374,320.61 and 6,179,342.99
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Solution
The fourth proportional to 11,141,369.87, 15,374,320.61 and 6,179,342.99 is: 8,527,066.36
Step by Step Solution
- Step 1: Write the proportion equation
11,141,369.87 : 15,374,320.61 = 6,179,342.99 : x - Step 2: Convert to fraction form
11,141,369.87/15,374,320.61 = 6,179,342.99/x - Step 3: Cross multiply
11,141,369.87x = 15,374,320.61 × 6,179,342.99 - Step 4: Simplify right side
11,141,369.87x = 95,003,200,179,647.72 - Step 5: Solve for x
x = 95,003,200,179,647.72/11,141,369.87 - Step 6: Final answer
x = 8,527,066.36
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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.