Finding the Fourth Proportional to 7,716,593.36, 10,646,727 and 6,079,926.80
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Solution
The fourth proportional to 7,716,593.36, 10,646,727 and 6,079,926.80 is: 8,388,587.79
Step by Step Solution
- Step 1: Write the proportion equation
7,716,593.36 : 10,646,727 = 6,079,926.80 : x - Step 2: Convert to fraction form
7,716,593.36/10,646,727 = 6,079,926.80/x - Step 3: Cross multiply
7,716,593.36x = 10,646,727 × 6,079,926.80 - Step 4: Simplify right side
7,716,593.36x = 64,731,320,819,583.60 - Step 5: Solve for x
x = 64,731,320,819,583.60/7,716,593.36 - Step 6: Final answer
x = 8,388,587.79
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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.