Finding the Fourth Proportional to 11,772,320.95, 16,245,991.97 and 6,474,225.30
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Solution
The fourth proportional to 11,772,320.95, 16,245,991.97 and 6,474,225.30 is: 8,934,534.89
Step by Step Solution
- Step 1: Write the proportion equation
11,772,320.95 : 16,245,991.97 = 6,474,225.30 : x - Step 2: Convert to fraction form
11,772,320.95/16,245,991.97 = 6,474,225.30/x - Step 3: Cross multiply
11,772,320.95x = 16,245,991.97 × 6,474,225.30 - Step 4: Simplify right side
11,772,320.95x = 105,180,212,235,770.84 - Step 5: Solve for x
x = 105,180,212,235,770.84/11,772,320.95 - Step 6: Final answer
x = 8,934,534.89
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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.