Finding the Fourth Proportional to 11,243,079.86, 15,515,455.23 and 6,086,441.25
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Solution
The fourth proportional to 11,243,079.86, 15,515,455.23 and 6,086,441.25 is: 8,399,291.65
Step by Step Solution
- Step 1: Write the proportion equation
11,243,079.86 : 15,515,455.23 = 6,086,441.25 : x - Step 2: Convert to fraction form
11,243,079.86/15,515,455.23 = 6,086,441.25/x - Step 3: Cross multiply
11,243,079.86x = 15,515,455.23 × 6,086,441.25 - Step 4: Simplify right side
11,243,079.86x = 94,433,906,724,400.23 - Step 5: Solve for x
x = 94,433,906,724,400.23/11,243,079.86 - Step 6: Final answer
x = 8,399,291.65
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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.