Finding the Fourth Proportional to 11,469,452.85, 15,827,723.19 and 6,312,703.68
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Solution
The fourth proportional to 11,469,452.85, 15,827,723.19 and 6,312,703.68 is: 8,711,464.07
Step by Step Solution
- Step 1: Write the proportion equation
11,469,452.85 : 15,827,723.19 = 6,312,703.68 : x - Step 2: Convert to fraction form
11,469,452.85/15,827,723.19 = 6,312,703.68/x - Step 3: Cross multiply
11,469,452.85x = 15,827,723.19 × 6,312,703.68 - Step 4: Simplify right side
11,469,452.85x = 99,915,726,427,534.33 - Step 5: Solve for x
x = 99,915,726,427,534.33/11,469,452.85 - Step 6: Final answer
x = 8,711,464.07
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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.