Finding the Fourth Proportional to 8,086,503.30, 11,159,289.99 and 4,415,409.15
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Solution
The fourth proportional to 8,086,503.30, 11,159,289.99 and 4,415,409.15 is: 6,093,218.45
Step by Step Solution
- Step 1: Write the proportion equation
8,086,503.30 : 11,159,289.99 = 4,415,409.15 : x - Step 2: Convert to fraction form
8,086,503.30/11,159,289.99 = 4,415,409.15/x - Step 3: Cross multiply
8,086,503.30x = 11,159,289.99 × 4,415,409.15 - Step 4: Simplify right side
8,086,503.30x = 49,272,831,129,349.41 - Step 5: Solve for x
x = 49,272,831,129,349.41/8,086,503.30 - Step 6: Final answer
x = 6,093,218.45
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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.