Finding the Fourth Proportional to 11,578,659.50, 17,346,066.99 and 7,728,873.68
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Solution
The fourth proportional to 11,578,659.50, 17,346,066.99 and 7,728,873.68 is: 11,578,677.18
Step by Step Solution
- Step 1: Write the proportion equation
11,578,659.50 : 17,346,066.99 = 7,728,873.68 : x - Step 2: Convert to fraction form
11,578,659.50/17,346,066.99 = 7,728,873.68/x - Step 3: Cross multiply
11,578,659.50x = 17,346,066.99 × 7,728,873.68 - Step 4: Simplify right side
11,578,659.50x = 134,065,560,523,797.47 - Step 5: Solve for x
x = 134,065,560,523,797.47/11,578,659.50 - Step 6: Final answer
x = 11,578,677.18
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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.