Finding the Fourth Proportional to 9,163,441.53, 12,644,811.86 and 5,296,213.17
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Solution
The fourth proportional to 9,163,441.53, 12,644,811.86 and 5,296,213.17 is: 7,308,347.95
Step by Step Solution
- Step 1: Write the proportion equation
9,163,441.53 : 12,644,811.86 = 5,296,213.17 : x - Step 2: Convert to fraction form
9,163,441.53/12,644,811.86 = 5,296,213.17/x - Step 3: Cross multiply
9,163,441.53x = 12,644,811.86 × 5,296,213.17 - Step 4: Simplify right side
9,163,441.53x = 66,969,619,078,623.13 - Step 5: Solve for x
x = 66,969,619,078,623.13/9,163,441.53 - Step 6: Final answer
x = 7,308,347.95
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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.