Finding the Fourth Proportional to 11,916,809.60, 17,882,601.60 and 6,241,107.20
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Solution
The fourth proportional to 11,916,809.60, 17,882,601.60 and 6,241,107.20 is: 9,365,529.65
Step by Step Solution
- Step 1: Write the proportion equation
11,916,809.60 : 17,882,601.60 = 6,241,107.20 : x - Step 2: Convert to fraction form
11,916,809.60/17,882,601.60 = 6,241,107.20/x - Step 3: Cross multiply
11,916,809.60x = 17,882,601.60 × 6,241,107.20 - Step 4: Simplify right side
11,916,809.60x = 111,607,233,600,491.53 - Step 5: Solve for x
x = 111,607,233,600,491.53/11,916,809.60 - Step 6: Final answer
x = 9,365,529.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.