Finding the Fourth Proportional to 11,880,104.56, 16,394,551.02 and 6,447,596.56
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Solution
The fourth proportional to 11,880,104.56, 16,394,551.02 and 6,447,596.56 is: 8,897,686.90
Step by Step Solution
- Step 1: Write the proportion equation
11,880,104.56 : 16,394,551.02 = 6,447,596.56 : x - Step 2: Convert to fraction form
11,880,104.56/16,394,551.02 = 6,447,596.56/x - Step 3: Cross multiply
11,880,104.56x = 16,394,551.02 × 6,447,596.56 - Step 4: Simplify right side
11,880,104.56x = 105,705,450,645,085.75 - Step 5: Solve for x
x = 105,705,450,645,085.75/11,880,104.56 - Step 6: Final answer
x = 8,897,686.90
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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.