Finding the Fourth Proportional to 11,243,058.36, 15,515,470.86 and 6,086,419.92
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Solution
The fourth proportional to 11,243,058.36, 15,515,470.86 and 6,086,419.92 is: 8,399,286.73
Step by Step Solution
- Step 1: Write the proportion equation
11,243,058.36 : 15,515,470.86 = 6,086,419.92 : x - Step 2: Convert to fraction form
11,243,058.36/15,515,470.86 = 6,086,419.92/x - Step 3: Cross multiply
11,243,058.36x = 15,515,470.86 × 6,086,419.92 - Step 4: Simplify right side
11,243,058.36x = 94,433,670,910,483.53 - Step 5: Solve for x
x = 94,433,670,910,483.53/11,243,058.36 - Step 6: Final answer
x = 8,399,286.73
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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.