Finding the Fourth Proportional to 11,458,007.76, 15,811,734.96 and 6,301,369.20
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Solution
The fourth proportional to 11,458,007.76, 15,811,734.96 and 6,301,369.20 is: 8,695,715.85
Step by Step Solution
- Step 1: Write the proportion equation
11,458,007.76 : 15,811,734.96 = 6,301,369.20 : x - Step 2: Convert to fraction form
11,458,007.76/15,811,734.96 = 6,301,369.20/x - Step 3: Cross multiply
11,458,007.76x = 15,811,734.96 × 6,301,369.20 - Step 4: Simplify right side
11,458,007.76x = 99,635,579,675,507.23 - Step 5: Solve for x
x = 99,635,579,675,507.23/11,458,007.76 - Step 6: Final answer
x = 8,695,715.85
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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.